100215461115 has 96 divisors (see below), whose sum is σ = 224590818816. Its totient is φ = 41647944960.

The previous prime is 100215461053. The next prime is 100215461131. The reversal of 100215461115 is 511164512001.

100215461115 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 1 + 546 + 1 + 115 = 666.

It is not a de Polignac number, because 100215461115 - 2¹¹ = 100215459067 is a prime.

It is a super-3 number, since 3×100215461115³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 442042 + ... + 629151.

It is an arithmetic number, because the mean of its divisors is an integer number (2339487696).

Almost surely, 2^100215461115 is an apocalyptic number.

100215461115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100215461115 is an abundant number, since it is smaller than the sum of its proper divisors (124375357701).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100215461115 is a wasteful number, since it uses less digits than its factorization.

100215461115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071231 (or 1071219 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 100215461115 its reverse (511164512001), we get a palindrome (611379973116).

The spelling of 100215461115 in words is "one hundred billion, two hundred fifteen million, four hundred sixty-one thousand, one hundred fifteen".