51456125355 has 16 divisors (see below), whose sum is σ = 82334194944. Its totient is φ = 27441802080.

The previous prime is 51456125339. The next prime is 51456125363. The reversal of 51456125355 is 55352165415.

It is a happy number.

It is not a de Polignac number, because 51456125355 - 2⁴ = 51456125339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236850 + ... + 398760.

It is an arithmetic number, because the mean of its divisors is an integer number (5145887184).

Almost surely, 2^51456125355 is an apocalyptic number.

51456125355 is a deficient number, since it is larger than the sum of its proper divisors (30878069589).

51456125355 is a wasteful number, since it uses less digits than its factorization.

51456125355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183106.

The product of its digits is 450000, while the sum is 42.

The spelling of 51456125355 in words is "fifty-one billion, four hundred fifty-six million, one hundred twenty-five thousand, three hundred fifty-five".