11611638126 has 48 divisors (see below), whose sum is σ = 28115116848. Its totient is φ = 3432854400.

The previous prime is 11611638107. The next prime is 11611638133. The reversal of 11611638126 is 62183611611.

It is a happy number.

11611638126 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 1 + 638 + 12 + 6 = 666.

11611638126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707061 + ... + 723296.

It is an arithmetic number, because the mean of its divisors is an integer number (585731601).

Almost surely, 2^11611638126 is an apocalyptic number.

11611638126 is an abundant number, since it is smaller than the sum of its proper divisors (16503478722).

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

11611638126 is a wasteful number, since it uses less digits than its factorization.

11611638126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430417 (or 1430414 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The spelling of 11611638126 in words is "eleven billion, six hundred eleven million, six hundred thirty-eight thousand, one hundred twenty-six".