5251426121232 has 240 divisors, whose sum is σ = 15819469810560. Its totient is φ = 1620380160000.

The previous prime is 5251426121203. The next prime is 5251426121261. The reversal of 5251426121232 is 2321216241525.

5251426121232 is a `hidden beast` number, since 5 + 2 + 5 + 1 + 4 + 2 + 612 + 1 + 2 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (5251426121203) and next prime (5251426121261).

It is a super-2 number, since 2×5251426121232² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37264119 + ... + 37404777.

It is an arithmetic number, because the mean of its divisors is an integer number (65914457544).

Almost surely, 2^{5251426121232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5251426121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7909734905280).

5251426121232 is an abundant number, since it is smaller than the sum of its proper divisors (10568043689328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5251426121232 is a wasteful number, since it uses less digits than its factorization.

5251426121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140942 (or 140933 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 5251426121232 in words is "five trillion, two hundred fifty-one billion, four hundred twenty-six million, one hundred twenty-one thousand, two hundred thirty-two".