351073881225 has 72 divisors (see below), whose sum is σ = 639255519552. Its totient is φ = 184139049600.

The previous prime is 351073881199. The next prime is 351073881233. The reversal of 351073881225 is 522188370153.

351073881225 is a `hidden beast` number, since 3 + 510 + 7 + 3 + 8 + 8 + 122 + 5 = 666.

It is not a de Polignac number, because 351073881225 - 2⁶ = 351073881161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9221980 + ... + 9259970.

Almost surely, 2^351073881225 is an apocalyptic number.

It is an amenable number.

351073881225 is a deficient number, since it is larger than the sum of its proper divisors (288181638327).

351073881225 is a wasteful number, since it uses less digits than its factorization.

351073881225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38687 (or 38679 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 351073881225 in words is "three hundred fifty-one billion, seventy-three million, eight hundred eighty-one thousand, two hundred twenty-five".