11571524421093 has 64 divisors (see below), whose sum is σ = 21100072734720. Its totient is φ = 6103372856256.

The previous prime is 11571524421053. The next prime is 11571524421139. The reversal of 11571524421093 is 39012442517511.

11571524421093 is a `hidden beast` number, since 1 + 1 + 5 + 71 + 52 + 442 + 1 + 0 + 93 = 666.

It is not a de Polignac number, because 11571524421093 - 2¹⁶ = 11571524355557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11571524421053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58099546 + ... + 58298372.

It is an arithmetic number, because the mean of its divisors is an integer number (329688636480).

Almost surely, 2^{11571524421093} is an apocalyptic number.

11571524421093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11571524421093 is a deficient number, since it is larger than the sum of its proper divisors (9528548313627).

11571524421093 is a wasteful number, since it uses less digits than its factorization.

11571524421093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222543 (or 222537 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 11571524421093 in words is "eleven trillion, five hundred seventy-one billion, five hundred twenty-four million, four hundred twenty-one thousand, ninety-three".