100964145550 has 12 divisors (see below), whose sum is σ = 187793310816. Its totient is φ = 40385658200.

The previous prime is 100964145533. The next prime is 100964145563. The reversal of 100964145550 is 55541469001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1009641406 + ... + 1009641505.

It is an arithmetic number, because the mean of its divisors is an integer number (15649442568).

Almost surely, 2^100964145550 is an apocalyptic number.

100964145550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100964145550 is a deficient number, since it is larger than the sum of its proper divisors (86829165266).

100964145550 is a wasteful number, since it uses less digits than its factorization.

100964145550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019282923 (or 2019282918 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 100964145550 in words is "one hundred billion, nine hundred sixty-four million, one hundred forty-five thousand, five hundred fifty".