100378961103 has 8 divisors (see below), whose sum is σ = 133841700016. Its totient is φ = 66917764800.

The previous prime is 100378961071. The next prime is 100378961113. The reversal of 100378961103 is 301169873001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100378961103 - 2⁵ = 100378961071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100378961113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224158 + ... + 501003.

It is an arithmetic number, because the mean of its divisors is an integer number (16730212502).

Almost surely, 2^100378961103 is an apocalyptic number.

100378961103 is a deficient number, since it is larger than the sum of its proper divisors (33462738913).

100378961103 is an equidigital number, since it uses as much as digits as its factorization.

100378961103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771305.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 100378961103 in words is "one hundred billion, three hundred seventy-eight million, nine hundred sixty-one thousand, one hundred three".