5651126771472 has 640 divisors, whose sum is σ = 20367496396800. Its totient is φ = 1460366309376.

The previous prime is 5651126771461. The next prime is 5651126771489. The reversal of 5651126771472 is 2741776211565.

5651126771472 is a `hidden beast` number, since 56 + 5 + 112 + 6 + 7 + 7 + 1 + 472 = 666.

It is a super-2 number, since 2×5651126771472² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2298138979 + ... + 2298141437.

It is an arithmetic number, because the mean of its divisors is an integer number (31824213120).

Almost surely, 2^{5651126771472} is an apocalyptic number.

5651126771472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5651126771472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10183748198400).

5651126771472 is an abundant number, since it is smaller than the sum of its proper divisors (14716369625328).

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

5651126771472 is a wasteful number, since it uses less digits than its factorization.

5651126771472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652 (or 3640 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 54.

The spelling of 5651126771472 in words is "five trillion, six hundred fifty-one billion, one hundred twenty-six million, seven hundred seventy-one thousand, four hundred seventy-two".