11954377445136 has 80 divisors (see below), whose sum is σ = 35295428947968. Its totient is φ = 3415386153600.

The previous prime is 11954377445083. The next prime is 11954377445159. The reversal of 11954377445136 is 63154477345911.

It is a self number, because there is not a number n which added to its sum of digits gives 11954377445136.

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, 6980791 + ... + 8522921.

Almost surely, 2^{11954377445136} is an apocalyptic number.

11954377445136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11954377445136 is an abundant number, since it is smaller than the sum of its proper divisors (23341051502832).

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

11954377445136 is a wasteful number, since it uses less digits than its factorization.

11954377445136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565220 (or 1565214 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 11954377445136 in words is "eleven trillion, nine hundred fifty-four billion, three hundred seventy-seven million, four hundred forty-five thousand, one hundred thirty-six".