100550161515 has 16 divisors (see below), whose sum is σ = 160891849728. Its totient is φ = 53622889056.

The previous prime is 100550161501. The next prime is 100550161541. The reversal of 100550161515 is 515161055001.

It is not a de Polignac number, because 100550161515 - 2⁶ = 100550161451 is a prime.

It is a super-2 number, since 2×100550161515² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19789 + ... + 448878.

It is an arithmetic number, because the mean of its divisors is an integer number (10055740608).

Almost surely, 2^100550161515 is an apocalyptic number.

100550161515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100550161515 is a deficient number, since it is larger than the sum of its proper divisors (60341688213).

100550161515 is a wasteful number, since it uses less digits than its factorization.

100550161515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482978.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 100550161515 in words is "one hundred billion, five hundred fifty million, one hundred sixty-one thousand, five hundred fifteen".