13061291155 has 24 divisors (see below), whose sum is σ = 17238236400. Its totient is φ = 9493450560.

The previous prime is 13061291141. The next prime is 13061291161. The reversal of 13061291155 is 55119216031.

It is not a de Polignac number, because 13061291155 - 2⁷ = 13061291027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13061291155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1191841 + ... + 1202749.

It is an arithmetic number, because the mean of its divisors is an integer number (718259850).

Almost surely, 2^13061291155 is an apocalyptic number.

13061291155 is a deficient number, since it is larger than the sum of its proper divisors (4176945245).

13061291155 is a wasteful number, since it uses less digits than its factorization.

13061291155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915 (or 12904 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 13061291155 in words is "thirteen billion, sixty-one million, two hundred ninety-one thousand, one hundred fifty-five".