355812997995 has 288 divisors, whose sum is σ = 822570301440. Its totient is φ = 145287717120.

The previous prime is 355812997957. The next prime is 355812998033. The reversal of 355812997995 is 599799218553.

355812997995 is a `hidden beast` number, since 35 + 581 + 2 + 9 + 9 + 7 + 9 + 9 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (355812997957) and next prime (355812998033).

It is not a de Polignac number, because 355812997995 - 2¹¹ = 355812995947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 34650852 + ... + 34661118.

It is an arithmetic number, because the mean of its divisors is an integer number (2856146880).

Almost surely, 2^355812997995 is an apocalyptic number.

355812997995 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

355812997995 is an abundant number, since it is smaller than the sum of its proper divisors (466757303445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355812997995 is a wasteful number, since it uses less digits than its factorization.

355812997995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10352 (or 10326 counting only the distinct ones).

The product of its digits is 275562000, while the sum is 72.

The spelling of 355812997995 in words is "three hundred fifty-five billion, eight hundred twelve million, nine hundred ninety-seven thousand, nine hundred ninety-five".