11946390400536 has 64 divisors (see below), whose sum is σ = 30202967340000. Its totient is φ = 3937202159616.

The previous prime is 11946390400493. The next prime is 11946390400577. The reversal of 11946390400536 is 63500409364911.

It is a congruent number.

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, 49796520 + ... + 50035848.

Almost surely, 2^{11946390400536} is an apocalyptic number.

It is an amenable number.

11946390400536 is an abundant number, since it is smaller than the sum of its proper divisors (18256576939464).

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

11946390400536 is a wasteful number, since it uses less digits than its factorization.

11946390400536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262796 (or 262792 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 11946390400536 in words is "eleven trillion, nine hundred forty-six billion, three hundred ninety million, four hundred thousand, five hundred thirty-six".