11345660415 has 16 divisors (see below), whose sum is σ = 20170063200. Its totient is φ = 6051018816.

The previous prime is 11345660407. The next prime is 11345660419. The reversal of 11345660415 is 51406654311.

11345660415 is a `hidden beast` number, since 1 + 1 + 3 + 45 + 6 + 604 + 1 + 5 = 666.

It is not a de Polignac number, because 11345660415 - 2³ = 11345660407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11345660415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345660419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42020830 + ... + 42021099.

It is an arithmetic number, because the mean of its divisors is an integer number (1260628950).

Almost surely, 2^11345660415 is an apocalyptic number.

11345660415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11345660415 is a deficient number, since it is larger than the sum of its proper divisors (8824402785).

11345660415 is an equidigital number, since it uses as much as digits as its factorization.

11345660415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84041943 (or 84041937 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 11345660415 in words is "eleven billion, three hundred forty-five million, six hundred sixty thousand, four hundred fifteen".