64601113501 has 16 divisors (see below), whose sum is σ = 65364887808. Its totient is φ = 63842126400.

The previous prime is 64601113471. The next prime is 64601113567. The reversal of 64601113501 is 10531110646.

64601113501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64601113501 - 2⁵ = 64601113469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64601113501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64401113501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43443180 + ... + 43444666.

It is an arithmetic number, because the mean of its divisors is an integer number (4085305488).

Almost surely, 2^64601113501 is an apocalyptic number.

It is an amenable number.

64601113501 is a deficient number, since it is larger than the sum of its proper divisors (763774307).

64601113501 is a wasteful number, since it uses less digits than its factorization.

64601113501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 64601113501 in words is "sixty-four billion, six hundred one million, one hundred thirteen thousand, five hundred one".