36531412251 has 32 divisors (see below), whose sum is σ = 52712529408. Its totient is φ = 22421030400.

The previous prime is 36531412249. The next prime is 36531412283. The reversal of 36531412251 is 15221413563.

It is not a de Polignac number, because 36531412251 - 2¹ = 36531412249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36531412051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384810 + ... + 470256.

It is an arithmetic number, because the mean of its divisors is an integer number (1647266544).

Almost surely, 2^36531412251 is an apocalyptic number.

36531412251 is a deficient number, since it is larger than the sum of its proper divisors (16181117157).

36531412251 is a wasteful number, since it uses less digits than its factorization.

36531412251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85651.

The product of its digits is 21600, while the sum is 33.

The spelling of 36531412251 in words is "thirty-six billion, five hundred thirty-one million, four hundred twelve thousand, two hundred fifty-one".