36321015251 has 2 divisors, whose sum is σ = 36321015252. Its totient is φ = 36321015250.

The previous prime is 36321015223. The next prime is 36321015281. The reversal of 36321015251 is 15251012363.

It is a weak prime.

It is an emirp because it is prime and its reverse (15251012363) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36321015251 is a prime.

It is a super-2 number, since 2×36321015251² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36321015281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18160507625 + 18160507626.

It is an arithmetic number, because the mean of its divisors is an integer number (18160507626).

Almost surely, 2^36321015251 is an apocalyptic number.

36321015251 is a deficient number, since it is larger than the sum of its proper divisors (1).

36321015251 is an equidigital number, since it uses as much as digits as its factorization.

36321015251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 36321015251 in words is "thirty-six billion, three hundred twenty-one million, fifteen thousand, two hundred fifty-one".