345525513211320 has 128 divisors (see below), whose sum is σ = 1117066960376640. Its totient is φ = 84995004395520.

The previous prime is 345525513211297. The next prime is 345525513211387. The reversal of 345525513211320 is 23112315525543.

It is a super-2 number, since 2×345525513211320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72467059 + ... + 77087778.

Almost surely, 2^{345525513211320} is an apocalyptic number.

345525513211320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345525513211320 is an abundant number, since it is smaller than the sum of its proper divisors (771541447165320).

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

345525513211320 is a wasteful number, since it uses less digits than its factorization.

345525513211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149556345 (or 149556341 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 345525513211320 its reverse (23112315525543), we get a palindrome (368637828736863).

The spelling of 345525513211320 in words is "three hundred forty-five trillion, five hundred twenty-five billion, five hundred thirteen million, two hundred eleven thousand, three hundred twenty".