100125777552 has 80 divisors (see below), whose sum is σ = 274218496512. Its totient is φ = 31425684480.

The previous prime is 100125777509. The next prime is 100125777559. The reversal of 100125777552 is 255777521001.

It is a super-2 number, since 2×100125777552² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100125777559) 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, 854253 + ... + 964364.

Almost surely, 2^100125777552 is an apocalyptic number.

100125777552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100125777552 is an abundant number, since it is smaller than the sum of its proper divisors (174092718960).

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

100125777552 is a wasteful number, since it uses less digits than its factorization.

100125777552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818696 (or 1818690 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 42.

The spelling of 100125777552 in words is "one hundred billion, one hundred twenty-five million, seven hundred seventy-seven thousand, five hundred fifty-two".