620136321431115 has 16 divisors (see below), whose sum is σ = 992621619072000. Its totient is φ = 330604869835872.

The previous prime is 620136321431111. The next prime is 620136321431189. The reversal of 620136321431115 is 511134123631026.

It is not a de Polignac number, because 620136321431115 - 2² = 620136321431111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620136321431111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8406311515 + ... + 8406385284.

It is an arithmetic number, because the mean of its divisors is an integer number (62038851192000).

Almost surely, 2^{620136321431115} is an apocalyptic number.

620136321431115 is a deficient number, since it is larger than the sum of its proper divisors (372485297640885).

620136321431115 is a wasteful number, since it uses less digits than its factorization.

620136321431115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812699266.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 620136321431115 in words is "six hundred twenty trillion, one hundred thirty-six billion, three hundred twenty-one million, four hundred thirty-one thousand, one hundred fifteen".