100000402515 has 48 divisors (see below), whose sum is σ = 186797651040. Its totient is φ = 49196620800.

The previous prime is 100000402493. The next prime is 100000402529. The reversal of 100000402515 is 515204000001.

It is not a de Polignac number, because 100000402515 - 2⁶ = 100000402451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 789931 + ... + 907739.

It is an arithmetic number, because the mean of its divisors is an integer number (3891617730).

Almost surely, 2^100000402515 is an apocalyptic number.

100000402515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100000402515 is a deficient number, since it is larger than the sum of its proper divisors (86797248525).

100000402515 is a wasteful number, since it uses less digits than its factorization.

100000402515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119284 (or 119281 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 100000402515 its reverse (515204000001), we get a palindrome (615204402516).

The spelling of 100000402515 in words is "one hundred billion, four hundred two thousand, five hundred fifteen".