11421512955936 has 96 divisors (see below), whose sum is σ = 33320777958720. Its totient is φ = 3806253061632.

The previous prime is 11421512955869. The next prime is 11421512955967. The reversal of 11421512955936 is 63955921512411.

It is a happy number.

11421512955936 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 1 + 51 + 2 + 9 + 559 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11421512955936² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1996651 + ... + 5179733.

It is an arithmetic number, because the mean of its divisors is an integer number (347091437070).

Almost surely, 2^{11421512955936} is an apocalyptic number.

11421512955936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11421512955936 is an abundant number, since it is smaller than the sum of its proper divisors (21899265002784).

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

11421512955936 is a wasteful number, since it uses less digits than its factorization.

11421512955936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187255 (or 3187241 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 54.

The spelling of 11421512955936 in words is "eleven trillion, four hundred twenty-one billion, five hundred twelve million, nine hundred fifty-five thousand, nine hundred thirty-six".