1113893495815 has 4 divisors (see below), whose sum is σ = 1336672194984. Its totient is φ = 891114796648.

The previous prime is 1113893495807. The next prime is 1113893495831. The reversal of 1113893495815 is 5185943983111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113893495815 - 2³ = 1113893495807 is a prime.

It is a super-2 number, since 2×1113893495815² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113893495815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111389349577 + ... + 111389349586.

It is an arithmetic number, because the mean of its divisors is an integer number (334168048746).

Almost surely, 2^{1113893495815} is an apocalyptic number.

1113893495815 is a deficient number, since it is larger than the sum of its proper divisors (222778699169).

1113893495815 is an equidigital number, since it uses as much as digits as its factorization.

1113893495815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222778699168.

The product of its digits is 4665600, while the sum is 58.

The spelling of 1113893495815 in words is "one trillion, one hundred thirteen billion, eight hundred ninety-three million, four hundred ninety-five thousand, eight hundred fifteen".