11061621265 has 16 divisors (see below), whose sum is σ = 13862855808. Its totient is φ = 8457344896.

The previous prime is 11061621247. The next prime is 11061621271. The reversal of 11061621265 is 56212616011.

It is a cyclic number.

It is not a de Polignac number, because 11061621265 - 2²³ = 11053232657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96882 + ... + 177508.

It is an arithmetic number, because the mean of its divisors is an integer number (866428488).

Almost surely, 2^11061621265 is an apocalyptic number.

It is an amenable number.

11061621265 is a deficient number, since it is larger than the sum of its proper divisors (2801234543).

11061621265 is a wasteful number, since it uses less digits than its factorization.

11061621265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81848.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 11061621265 in words is "eleven billion, sixty-one million, six hundred twenty-one thousand, two hundred sixty-five".