11071307155 has 4 divisors (see below), whose sum is σ = 13285568592. Its totient is φ = 8857045720.

The previous prime is 11071307131. The next prime is 11071307189. The reversal of 11071307155 is 55170317011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11071307155 - 2⁹ = 11071306643 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107130711 + ... + 1107130720.

It is an arithmetic number, because the mean of its divisors is an integer number (3321392148).

Almost surely, 2^11071307155 is an apocalyptic number.

11071307155 is a deficient number, since it is larger than the sum of its proper divisors (2214261437).

11071307155 is an equidigital number, since it uses as much as digits as its factorization.

11071307155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214261436.

The product of its (nonzero) digits is 3675, while the sum is 31.

The spelling of 11071307155 in words is "eleven billion, seventy-one million, three hundred seven thousand, one hundred fifty-five".