13112020402345 has 64 divisors (see below), whose sum is σ = 17258497818624. Its totient is φ = 9524854743040.

The previous prime is 13112020402319. The next prime is 13112020402423. The reversal of 13112020402345 is 54320402021131.

It is not a de Polignac number, because 13112020402345 - 2¹³ = 13112020394153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122450949 + ... + 122557981.

It is an arithmetic number, because the mean of its divisors is an integer number (269664028416).

Almost surely, 2^{13112020402345} is an apocalyptic number.

It is an amenable number.

13112020402345 is a deficient number, since it is larger than the sum of its proper divisors (4146477416279).

13112020402345 is a wasteful number, since it uses less digits than its factorization.

13112020402345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107562.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13112020402345 its reverse (54320402021131), we get a palindrome (67432422423476).

The spelling of 13112020402345 in words is "thirteen trillion, one hundred twelve billion, twenty million, four hundred two thousand, three hundred forty-five".