11267256534 has 64 divisors (see below), whose sum is σ = 23215610880. Its totient is φ = 3644403840.

The previous prime is 11267256529. The next prime is 11267256547. The reversal of 11267256534 is 43565276211.

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 31 ways as a sum of consecutive naturals, for example, 7753752 + ... + 7755204.

It is an arithmetic number, because the mean of its divisors is an integer number (362743920).

Almost surely, 2^11267256534 is an apocalyptic number.

11267256534 is an abundant number, since it is smaller than the sum of its proper divisors (11948354346).

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

11267256534 is a wasteful number, since it uses less digits than its factorization.

11267256534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805.

The product of its digits is 302400, while the sum is 42.

The spelling of 11267256534 in words is "eleven billion, two hundred sixty-seven million, two hundred fifty-six thousand, five hundred thirty-four".