11311400634 has 16 divisors (see below), whose sum is σ = 22623844320. Its totient is φ = 3770293040.

The previous prime is 11311400629. The next prime is 11311400641. The reversal of 11311400634 is 43600411311.

It is a super-4 number, since 4×11311400634⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226804 + ... + 272144.

It is an arithmetic number, because the mean of its divisors is an integer number (1413990270).

Almost surely, 2^11311400634 is an apocalyptic number.

11311400634 is an abundant number, since it is smaller than the sum of its proper divisors (11312443686).

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

11311400634 is a wasteful number, since it uses less digits than its factorization.

11311400634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86925.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11311400634 its reverse (43600411311), we get a palindrome (54911811945).

The spelling of 11311400634 in words is "eleven billion, three hundred eleven million, four hundred thousand, six hundred thirty-four".