11957107036 has 24 divisors (see below), whose sum is σ = 23966568416. Its totient is φ = 5113255680.

The previous prime is 11957107031. The next prime is 11957107069. The reversal of 11957107036 is 63070175911.

It is a self number, because there is not a number n which added to its sum of digits gives 11957107036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11957107031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454425 + ... + 480016.

Almost surely, 2^11957107036 is an apocalyptic number.

It is an amenable number.

11957107036 is an abundant number, since it is smaller than the sum of its proper divisors (12009461380).

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

11957107036 is a wasteful number, since it uses less digits than its factorization.

11957107036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934909 (or 934907 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 40.

The spelling of 11957107036 in words is "eleven billion, nine hundred fifty-seven million, one hundred seven thousand, thirty-six".