351115311055 has 4 divisors (see below), whose sum is σ = 421338373272. Its totient is φ = 280892248840.

The previous prime is 351115311023. The next prime is 351115311073. The reversal of 351115311055 is 550113511153.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 351115311055 - 2⁵ = 351115311023 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35111531101 + ... + 35111531110.

It is an arithmetic number, because the mean of its divisors is an integer number (105334593318).

Almost surely, 2^351115311055 is an apocalyptic number.

351115311055 is a deficient number, since it is larger than the sum of its proper divisors (70223062217).

351115311055 is an equidigital number, since it uses as much as digits as its factorization.

351115311055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70223062216.

The product of its (nonzero) digits is 5625, while the sum is 31.

The spelling of 351115311055 in words is "three hundred fifty-one billion, one hundred fifteen million, three hundred eleven thousand, fifty-five".