11502420380015 has 4 divisors (see below), whose sum is σ = 13802904456024. Its totient is φ = 9201936304008.

The previous prime is 11502420379991. The next prime is 11502420380047. The reversal of 11502420380015 is 51008302420511.

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 11502420380015 - 2¹⁶ = 11502420314479 is a prime.

It is a super-2 number, since 2×11502420380015² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1150242037997 + ... + 1150242038006.

It is an arithmetic number, because the mean of its divisors is an integer number (3450726114006).

Almost surely, 2^{11502420380015} is an apocalyptic number.

11502420380015 is a deficient number, since it is larger than the sum of its proper divisors (2300484076009).

11502420380015 is an equidigital number, since it uses as much as digits as its factorization.

11502420380015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300484076008.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 11502420380015 in words is "eleven trillion, five hundred two billion, four hundred twenty million, three hundred eighty thousand, fifteen".