13115105112154 has 16 divisors (see below), whose sum is σ = 20555996107392. Its totient is φ = 6263884340208.

The previous prime is 13115105112149. The next prime is 13115105112191. The reversal of 13115105112154 is 45121150151131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194448534 + ... + 194515969.

It is an arithmetic number, because the mean of its divisors is an integer number (1284749756712).

Almost surely, 2^{13115105112154} is an apocalyptic number.

13115105112154 is a deficient number, since it is larger than the sum of its proper divisors (7440890995238).

13115105112154 is a wasteful number, since it uses less digits than its factorization.

13115105112154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388965261.

The product of its (nonzero) digits is 3000, while the sum is 31.

Adding to 13115105112154 its reverse (45121150151131), we get a palindrome (58236255263285).

The spelling of 13115105112154 in words is "thirteen trillion, one hundred fifteen billion, one hundred five million, one hundred twelve thousand, one hundred fifty-four".