11415820415 has 8 divisors (see below), whose sum is σ = 13864033008. Its totient is φ = 9022624000.

The previous prime is 11415820397. The next prime is 11415820439. The reversal of 11415820415 is 51402851411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11415820415 - 2²⁶ = 11348711551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13753586 + ... + 13754415.

It is an arithmetic number, because the mean of its divisors is an integer number (1733004126).

Almost surely, 2^11415820415 is an apocalyptic number.

11415820415 is a deficient number, since it is larger than the sum of its proper divisors (2448212593).

11415820415 is an equidigital number, since it uses as much as digits as its factorization.

11415820415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27508089.

The product of its (nonzero) digits is 6400, while the sum is 32.

The spelling of 11415820415 in words is "eleven billion, four hundred fifteen million, eight hundred twenty thousand, four hundred fifteen".