11626047538 has 32 divisors (see below), whose sum is σ = 19997733888. Its totient is φ = 4965786000.

The previous prime is 11626047467. The next prime is 11626047571. The reversal of 11626047538 is 83574062611.

It is a super-2 number, since 2×11626047538² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11626047494 and 11626047503.

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, 8011713 + ... + 8013163.

It is an arithmetic number, because the mean of its divisors is an integer number (624929184).

Almost surely, 2^11626047538 is an apocalyptic number.

11626047538 is a deficient number, since it is larger than the sum of its proper divisors (8371686350).

11626047538 is a wasteful number, since it uses less digits than its factorization.

11626047538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 11626047538 in words is "eleven billion, six hundred twenty-six million, forty-seven thousand, five hundred thirty-eight".