100151101555550 has 48 divisors (see below), whose sum is σ = 186863120173440. Its totient is φ = 39935455590240.

The previous prime is 100151101555451. The next prime is 100151101555691. The reversal of 100151101555550 is 55555101151001.

It is a self number, because there is not a number n which added to its sum of digits gives 100151101555550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18521261 + ... + 23309639.

It is an arithmetic number, because the mean of its divisors is an integer number (3892981670280).

Almost surely, 2^{100151101555550} is an apocalyptic number.

100151101555550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100151101555550 is a deficient number, since it is larger than the sum of its proper divisors (86712018617890).

100151101555550 is a wasteful number, since it uses less digits than its factorization.

100151101555550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789697 (or 4789692 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 35.

The spelling of 100151101555550 in words is "one hundred trillion, one hundred fifty-one billion, one hundred one million, five hundred fifty-five thousand, five hundred fifty".