641477055115 has 16 divisors (see below), whose sum is σ = 834549408000. Its totient is φ = 470526890112.

The previous prime is 641477055101. The next prime is 641477055151. The reversal of 641477055115 is 511550774146.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641477055115 is a prime.

It is a super-2 number, since 2×641477055115² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33107355 + ... + 33126724.

It is an arithmetic number, because the mean of its divisors is an integer number (52159338000).

Almost surely, 2^641477055115 is an apocalyptic number.

641477055115 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

641477055115 is a deficient number, since it is larger than the sum of its proper divisors (193072352885).

641477055115 is a wasteful number, since it uses less digits than its factorization.

641477055115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66234246.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 641477055115 in words is "six hundred forty-one billion, four hundred seventy-seven million, fifty-five thousand, one hundred fifteen".