64055012100 has 36 divisors (see below), whose sum is σ = 185332502544. Its totient is φ = 17081336480.

The previous prime is 64055012069. The next prime is 64055012101. The reversal of 64055012100 is 121055046.

It is a super-2 number, since 2×64055012100² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64055012101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106758054 + ... + 106758653.

Almost surely, 2^64055012100 is an apocalyptic number.

64055012100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64055012100 is an abundant number, since it is smaller than the sum of its proper divisors (121277490444).

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

64055012100 is a wasteful number, since it uses less digits than its factorization.

64055012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213516724 (or 213516717 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 64055012100 its reverse (121055046), we get a palindrome (64176067146).

The spelling of 64055012100 in words is "sixty-four billion, fifty-five million, twelve thousand, one hundred".