11515546046131 has 4 divisors (see below), whose sum is σ = 12121627417000. Its totient is φ = 10909464675264.

The previous prime is 11515546046117. The next prime is 11515546046183. The reversal of 11515546046131 is 13164064551511.

It is a happy number.

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 11515546046131 - 2⁷ = 11515546046003 is a prime.

It is a super-2 number, since 2×11515546046131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11515546046111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303040685406 + ... + 303040685443.

It is an arithmetic number, because the mean of its divisors is an integer number (3030406854250).

Almost surely, 2^{11515546046131} is an apocalyptic number.

11515546046131 is a deficient number, since it is larger than the sum of its proper divisors (606081370869).

11515546046131 is an equidigital number, since it uses as much as digits as its factorization.

11515546046131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606081370868.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 11515546046131 in words is "eleven trillion, five hundred fifteen billion, five hundred forty-six million, forty-six thousand, one hundred thirty-one".