51160421535 has 64 divisors (see below), whose sum is σ = 89615454720. Its totient is φ = 24834055680.

The previous prime is 51160421531. The next prime is 51160421579. The reversal of 51160421535 is 53512406115.

It is not a de Polignac number, because 51160421535 - 2² = 51160421531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51160421496 and 51160421505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51160421531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 713337 + ... + 781773.

It is an arithmetic number, because the mean of its divisors is an integer number (1400241480).

Almost surely, 2^51160421535 is an apocalyptic number.

51160421535 is a deficient number, since it is larger than the sum of its proper divisors (38455033185).

51160421535 is a wasteful number, since it uses less digits than its factorization.

51160421535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68568.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 51160421535 in words is "fifty-one billion, one hundred sixty million, four hundred twenty-one thousand, five hundred thirty-five".