11892551946 has 16 divisors (see below), whose sum is σ = 25947386208. Its totient is φ = 3603803600.

The previous prime is 11892551941. The next prime is 11892551959. The reversal of 11892551946 is 64915529811.

It is not an unprimeable number, because it can be changed into a prime (11892551941) 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, 90095025 + ... + 90095156.

It is an arithmetic number, because the mean of its divisors is an integer number (1621711638).

Almost surely, 2^11892551946 is an apocalyptic number.

11892551946 is an abundant number, since it is smaller than the sum of its proper divisors (14054834262).

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

11892551946 is a wasteful number, since it uses less digits than its factorization.

11892551946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180190197.

The product of its digits is 777600, while the sum is 51.

The spelling of 11892551946 in words is "eleven billion, eight hundred ninety-two million, five hundred fifty-one thousand, nine hundred forty-six".