36642151261 has 4 divisors (see below), whose sum is σ = 36905764000. Its totient is φ = 36378538524.

The previous prime is 36642151211. The next prime is 36642151291. The reversal of 36642151261 is 16215124663.

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.

It is a cyclic number.

It is not a de Polignac number, because 36642151261 - 2¹⁵ = 36642118493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36642151261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36642151201) 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, 131806161 + ... + 131806438.

It is an arithmetic number, because the mean of its divisors is an integer number (9226441000).

Almost surely, 2^36642151261 is an apocalyptic number.

It is an amenable number.

36642151261 is a deficient number, since it is larger than the sum of its proper divisors (263612739).

36642151261 is a wasteful number, since it uses less digits than its factorization.

36642151261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263612738.

The product of its digits is 51840, while the sum is 37.

The spelling of 36642151261 in words is "thirty-six billion, six hundred forty-two million, one hundred fifty-one thousand, two hundred sixty-one".