36251561223 has 12 divisors (see below), whose sum is σ = 52521568008. Its totient is φ = 24094691280.

The previous prime is 36251561221. The next prime is 36251561267. The reversal of 36251561223 is 32216515263.

36251561223 is a `hidden beast` number, since 3 + 6 + 2 + 5 + 15 + 612 + 23 = 666.

It is not a de Polignac number, because 36251561223 - 2¹ = 36251561221 is a prime.

It is a super-2 number, since 2×36251561223² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36251561221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6081540 + ... + 6087497.

It is an arithmetic number, because the mean of its divisors is an integer number (4376797334).

Almost surely, 2^36251561223 is an apocalyptic number.

36251561223 is a deficient number, since it is larger than the sum of its proper divisors (16270006785).

36251561223 is a wasteful number, since it uses less digits than its factorization.

36251561223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12169374 (or 12169371 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 36251561223 in words is "thirty-six billion, two hundred fifty-one million, five hundred sixty-one thousand, two hundred twenty-three".