13155949105 has 32 divisors (see below), whose sum is σ = 17568552960. Its totient is φ = 9391818240.

The previous prime is 13155949099. The next prime is 13155949127. The reversal of 13155949105 is 50194955131.

It is not a de Polignac number, because 13155949105 - 2¹⁹ = 13155424817 is a prime.

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, 2272044 + ... + 2277826.

It is an arithmetic number, because the mean of its divisors is an integer number (549017280).

Almost surely, 2^13155949105 is an apocalyptic number.

It is an amenable number.

13155949105 is a deficient number, since it is larger than the sum of its proper divisors (4412603855).

13155949105 is a wasteful number, since it uses less digits than its factorization.

13155949105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961.

The product of its (nonzero) digits is 121500, while the sum is 43.

The spelling of 13155949105 in words is "thirteen billion, one hundred fifty-five million, nine hundred forty-nine thousand, one hundred five".