51273152111285 has 32 divisors (see below), whose sum is σ = 67197678589440. Its totient is φ = 37329231633408.

The previous prime is 51273152111221. The next prime is 51273152111339. The reversal of 51273152111285 is 58211125137215.

It is not a de Polignac number, because 51273152111285 - 2⁶ = 51273152111221 is a prime.

It is a super-2 number, since 2×51273152111285² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3802484 + ... + 10816893.

It is an arithmetic number, because the mean of its divisors is an integer number (2099927455920).

Almost surely, 2^{51273152111285} is an apocalyptic number.

It is an amenable number.

51273152111285 is a deficient number, since it is larger than the sum of its proper divisors (15924526478155).

51273152111285 is a wasteful number, since it uses less digits than its factorization.

51273152111285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14620157.

The product of its digits is 168000, while the sum is 44.

The spelling of 51273152111285 in words is "fifty-one trillion, two hundred seventy-three billion, one hundred fifty-two million, one hundred eleven thousand, two hundred eighty-five".