64122542111744 has 44 divisors (see below), whose sum is σ = 128416802904744. Its totient is φ = 32002657849344.

The previous prime is 64122542111699. The next prime is 64122542111753. The reversal of 64122542111744 is 44711124522146.

It is a happy number.

It is a super-2 number, since 2×64122542111744² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64122542111695 and 64122542111704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56679059 + ... + 57799314.

Almost surely, 2^{64122542111744} is an apocalyptic number.

64122542111744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64122542111744 is an abundant number, since it is smaller than the sum of its proper divisors (64294260793000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64122542111744 is a wasteful number, since it uses less digits than its factorization.

64122542111744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114478940 (or 114478922 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The spelling of 64122542111744 in words is "sixty-four trillion, one hundred twenty-two billion, five hundred forty-two million, one hundred eleven thousand, seven hundred forty-four".