36252291561 has 4 divisors (see below), whose sum is σ = 48336388752. Its totient is φ = 24168194372.

The previous prime is 36252291557. The next prime is 36252291571. The reversal of 36252291561 is 16519225263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16519225263 = 3 ⋅5506408421.

It is a cyclic number.

It is not a de Polignac number, because 36252291561 - 2² = 36252291557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36252291571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6042048591 + ... + 6042048596.

It is an arithmetic number, because the mean of its divisors is an integer number (12084097188).

Almost surely, 2^36252291561 is an apocalyptic number.

It is an amenable number.

36252291561 is a deficient number, since it is larger than the sum of its proper divisors (12084097191).

36252291561 is a wasteful number, since it uses less digits than its factorization.

36252291561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084097190.

The product of its digits is 194400, while the sum is 42.

The spelling of 36252291561 in words is "thirty-six billion, two hundred fifty-two million, two hundred ninety-one thousand, five hundred sixty-one".