36481305251 has 16 divisors (see below), whose sum is σ = 37799428704. Its totient is φ = 35182024704.

The previous prime is 36481305241. The next prime is 36481305277. The reversal of 36481305251 is 15250318463.

It is a happy number.

36481305251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 36481305251 - 2¹⁴ = 36481288867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36481305241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968836 + ... + 1987278.

It is an arithmetic number, because the mean of its divisors is an integer number (2362464294).

Almost surely, 2^36481305251 is an apocalyptic number.

36481305251 is a deficient number, since it is larger than the sum of its proper divisors (1318123453).

36481305251 is a wasteful number, since it uses less digits than its factorization.

36481305251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18950.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 36481305251 in words is "thirty-six billion, four hundred eighty-one million, three hundred five thousand, two hundred fifty-one".