51401131626005 has 48 divisors (see below), whose sum is σ = 72012651609600. Its totient is φ = 35118363974400.

The previous prime is 51401131625971. The next prime is 51401131626023. The reversal of 51401131626005 is 50062613110415.

51401131626005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51401131626005 - 2²² = 51401127431701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1381769396 + ... + 1381806594.

It is an arithmetic number, because the mean of its divisors is an integer number (1500263575200).

Almost surely, 2^{51401131626005} is an apocalyptic number.

It is an amenable number.

51401131626005 is a deficient number, since it is larger than the sum of its proper divisors (20611519983595).

51401131626005 is a wasteful number, since it uses less digits than its factorization.

51401131626005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57570 (or 57563 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 51401131626005 in words is "fifty-one trillion, four hundred one billion, one hundred thirty-one million, six hundred twenty-six thousand, five".