100625521541 has 6 divisors (see below), whose sum is σ = 101915391942. Its totient is φ = 99351774600.

The previous prime is 100625521537. The next prime is 100625521553. The reversal of 100625521541 is 145125526001.

It can be written as a sum of positive squares in only one way, i.e., 98562090916 + 2063430625 = 313946^2 + 45425^2 .

It is not a de Polignac number, because 100625521541 - 2² = 100625521537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100625521498 and 100625521507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100625521561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8055410 + ... + 8067891.

It is an arithmetic number, because the mean of its divisors is an integer number (16985898657).

Almost surely, 2^100625521541 is an apocalyptic number.

It is an amenable number.

100625521541 is a deficient number, since it is larger than the sum of its proper divisors (1289870401).

100625521541 is an frugal number, since it uses more digits than its factorization.

100625521541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123459 (or 16123380 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 100625521541 in words is "one hundred billion, six hundred twenty-five million, five hundred twenty-one thousand, five hundred forty-one".