100545520000 has 80 divisors (see below), whose sum is σ = 250301987100. Its totient is φ = 40218176000.

The previous prime is 100545519989. The next prime is 100545520067. The reversal of 100545520000 is 25545001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 548410 + ... + 708409.

Almost surely, 2^100545520000 is an apocalyptic number.

100545520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100545520000 is an abundant number, since it is smaller than the sum of its proper divisors (149756467100).

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

100545520000 is an frugal number, since it uses more digits than its factorization.

100545520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256853 (or 1256826 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The spelling of 100545520000 in words is "one hundred billion, five hundred forty-five million, five hundred twenty thousand".