355111512312 has 32 divisors (see below), whose sum is σ = 888224348880. Its totient is φ = 118311095040.

The previous prime is 355111512311. The next prime is 355111512323. The reversal of 355111512312 is 213215111553.

It is a super-2 number, since 2×355111512312² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 355111512312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355111512311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664239 + ... + 3759902.

Almost surely, 2^355111512312 is an apocalyptic number.

It is an amenable number.

355111512312 is an abundant number, since it is smaller than the sum of its proper divisors (533112836568).

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

355111512312 is a wasteful number, since it uses less digits than its factorization.

355111512312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426143 (or 7426139 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

Adding to 355111512312 its reverse (213215111553), we get a palindrome (568326623865).

The spelling of 355111512312 in words is "three hundred fifty-five billion, one hundred eleven million, five hundred twelve thousand, three hundred twelve".