11265643134 has 40 divisors (see below), whose sum is σ = 26571992040. Its totient is φ = 3557570544.

The previous prime is 11265643097. The next prime is 11265643157. The reversal of 11265643134 is 43134656211.

11265643134 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 5 + 643 + 1 + 3 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1826949 + ... + 1833104.

It is an arithmetic number, because the mean of its divisors is an integer number (664299801).

Almost surely, 2^11265643134 is an apocalyptic number.

11265643134 is an abundant number, since it is smaller than the sum of its proper divisors (15306348906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11265643134 is a wasteful number, since it uses less digits than its factorization.

11265643134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660086 (or 3660077 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 11265643134 in words is "eleven billion, two hundred sixty-five million, six hundred forty-three thousand, one hundred thirty-four".