5368251081139 has 4 divisors (see below), whose sum is σ = 5441788767256. Its totient is φ = 5294713395024.

The previous prime is 5368251081133. The next prime is 5368251081143. The reversal of 5368251081139 is 9311801528635.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5368251081139 - 2³ = 5368251081131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5368251081131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36768842949 + ... + 36768843094.

It is an arithmetic number, because the mean of its divisors is an integer number (1360447191814).

Almost surely, 2^{5368251081139} is an apocalyptic number.

5368251081139 is a deficient number, since it is larger than the sum of its proper divisors (73537686117).

5368251081139 is an equidigital number, since it uses as much as digits as its factorization.

5368251081139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73537686116.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 5368251081139 in words is "five trillion, three hundred sixty-eight billion, two hundred fifty-one million, eighty-one thousand, one hundred thirty-nine".