100345204560 has 80 divisors (see below), whose sum is σ = 311208206400. Its totient is φ = 26746844160.

The previous prime is 100345204559. The next prime is 100345204579. The reversal of 100345204560 is 65402543001.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455791 + ... + 639089.

It is an arithmetic number, because the mean of its divisors is an integer number (3890102580).

Almost surely, 2^100345204560 is an apocalyptic number.

100345204560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100345204560 is an abundant number, since it is smaller than the sum of its proper divisors (210863001840).

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

100345204560 is a wasteful number, since it uses less digits than its factorization.

100345204560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185596 (or 185590 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 100345204560 its reverse (65402543001), we get a palindrome (165747747561).

The spelling of 100345204560 in words is "one hundred billion, three hundred forty-five million, two hundred four thousand, five hundred sixty".