100055515 has 16 divisors (see below), whose sum is σ = 137580480. Its totient is φ = 68428800.

The previous prime is 100055509. The next prime is 100055531. The reversal of 100055515 is 515550001.

It is not a de Polignac number, because 100055515 - 2⁹ = 100055003 is a prime.

It is a super-2 number, since 2×100055515² = 20022212163830450, which 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, 10471 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (8598780).

Almost surely, 2^100055515 is an apocalyptic number.

100055515 is a deficient number, since it is larger than the sum of its proper divisors (37524965).

100055515 is an equidigital number, since it uses as much as digits as its factorization.

100055515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 100055515 is about 10002.7753648675. The cubic root of 100055515 is about 464.2447600731.

The spelling of 100055515 in words is "one hundred million, fifty-five thousand, five hundred fifteen".