64111749118 has 16 divisors (see below), whose sum is σ = 98675547264. Its totient is φ = 31222477440.

The previous prime is 64111749071. The next prime is 64111749127. The reversal of 64111749118 is 81194711146.

It is a super-2 number, since 2×64111749118² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594255 + ... + 693802.

It is an arithmetic number, because the mean of its divisors is an integer number (6167221704).

Almost surely, 2^64111749118 is an apocalyptic number.

64111749118 is a deficient number, since it is larger than the sum of its proper divisors (34563798146).

64111749118 is a wasteful number, since it uses less digits than its factorization.

64111749118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288707.

The product of its digits is 48384, while the sum is 43.

The spelling of 64111749118 in words is "sixty-four billion, one hundred eleven million, seven hundred forty-nine thousand, one hundred eighteen".