641331025060515 has 32 divisors (see below), whose sum is σ = 1031638094881536. Its totient is φ = 340211480918400.

The previous prime is 641331025060489. The next prime is 641331025060519. The reversal of 641331025060515 is 515060520133146.

It is a happy number.

It is not a de Polignac number, because 641331025060515 - 2⁹ = 641331025060003 is a prime.

It is a super-2 number, since 2×641331025060515² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641331025060519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135775936 + ... + 140419965.

It is an arithmetic number, because the mean of its divisors is an integer number (32238690465048).

Almost surely, 2^{641331025060515} is an apocalyptic number.

641331025060515 is a deficient number, since it is larger than the sum of its proper divisors (390307069821021).

641331025060515 is a wasteful number, since it uses less digits than its factorization.

641331025060515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276196739.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 641331025060515 in words is "six hundred forty-one trillion, three hundred thirty-one billion, twenty-five million, sixty thousand, five hundred fifteen".