36321111645451 has 2 divisors, whose sum is σ = 36321111645452. Its totient is φ = 36321111645450.

The previous prime is 36321111645383. The next prime is 36321111645461. The reversal of 36321111645451 is 15454611112363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36321111645451 - 2²³ = 36321103256843 is a prime.

It is a super-2 number, since 2×36321111645451² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36321111645398 and 36321111645407.

It is not a weakly prime, because it can be changed into another prime (36321111645461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18160555822725 + 18160555822726.

It is an arithmetic number, because the mean of its divisors is an integer number (18160555822726).

Almost surely, 2^{36321111645451} is an apocalyptic number.

36321111645451 is a deficient number, since it is larger than the sum of its proper divisors (1).

36321111645451 is an equidigital number, since it uses as much as digits as its factorization.

36321111645451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The spelling of 36321111645451 in words is "thirty-six trillion, three hundred twenty-one billion, one hundred eleven million, six hundred forty-five thousand, four hundred fifty-one".