641457107411 has 4 divisors (see below), whose sum is σ = 641481157824. Its totient is φ = 641433057000.

The previous prime is 641457107387. The next prime is 641457107441. The reversal of 641457107411 is 114701754146.

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 641457107411 - 2³⁸ = 366579200467 is a prime.

It is a super-2 number, since 2×641457107411² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641457107441) 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, 11985155 + ... + 12038556.

It is an arithmetic number, because the mean of its divisors is an integer number (160370289456).

Almost surely, 2^641457107411 is an apocalyptic number.

641457107411 is a deficient number, since it is larger than the sum of its proper divisors (24050413).

641457107411 is a wasteful number, since it uses less digits than its factorization.

641457107411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24050412.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 641457107411 in words is "six hundred forty-one billion, four hundred fifty-seven million, one hundred seven thousand, four hundred eleven".