51154553045225 has 12 divisors (see below), whose sum is σ = 72493309458624. Its totient is φ = 35077407802320.

The previous prime is 51154553045209. The next prime is 51154553045231. The reversal of 51154553045225 is 52254035545115.

It is not a de Polignac number, because 51154553045225 - 2⁴ = 51154553045209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51154553045225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146155865669 + ... + 146155866018.

It is an arithmetic number, because the mean of its divisors is an integer number (6041109121552).

Almost surely, 2^{51154553045225} is an apocalyptic number.

It is an amenable number.

51154553045225 is a deficient number, since it is larger than the sum of its proper divisors (21338756413399).

51154553045225 is a wasteful number, since it uses less digits than its factorization.

51154553045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292311731704 (or 292311731699 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 51154553045225 in words is "fifty-one trillion, one hundred fifty-four billion, five hundred fifty-three million, forty-five thousand, two hundred twenty-five".