36551405831 has 2 divisors, whose sum is σ = 36551405832. Its totient is φ = 36551405830.

The previous prime is 36551405809. The next prime is 36551405867. The reversal of 36551405831 is 13850415563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36551405831 - 2¹⁴ = 36551389447 is a prime.

It is a super-2 number, since 2×36551405831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36551405131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18275702915 + 18275702916.

It is an arithmetic number, because the mean of its divisors is an integer number (18275702916).

Almost surely, 2^36551405831 is an apocalyptic number.

36551405831 is a deficient number, since it is larger than the sum of its proper divisors (1).

36551405831 is an equidigital number, since it uses as much as digits as its factorization.

36551405831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 36551405831 in words is "thirty-six billion, five hundred fifty-one million, four hundred five thousand, eight hundred thirty-one".