101113815 has 16 divisors (see below), whose sum is σ = 176489856. Its totient is φ = 49024800.

The previous prime is 101113813. The next prime is 101113843. The reversal of 101113815 is 518311101.

It is a happy number.

It is not a de Polignac number, because 101113815 - 2¹ = 101113813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101113791 and 101113800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101113813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306241 + ... + 306570.

It is an arithmetic number, because the mean of its divisors is an integer number (11030616).

Almost surely, 2^101113815 is an apocalyptic number.

101113815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101113815 is a deficient number, since it is larger than the sum of its proper divisors (75376041).

101113815 is a wasteful number, since it uses less digits than its factorization.

101113815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612830.

The product of its (nonzero) digits is 120, while the sum is 21.

The square root of 101113815 is about 10055.5365346659. The cubic root of 101113815 is about 465.8758149933.

Adding to 101113815 its reverse (518311101), we get a palindrome (619424916).

The spelling of 101113815 in words is "one hundred one million, one hundred thirteen thousand, eight hundred fifteen".