11912893315 has 32 divisors (see below), whose sum is σ = 15172243200. Its totient is φ = 8954375040.

The previous prime is 11912893303. The next prime is 11912893319. The reversal of 11912893315 is 51339821911.

It is not a de Polignac number, because 11912893315 - 2¹¹ = 11912891267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11912893319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10172680 + ... + 10173850.

It is an arithmetic number, because the mean of its divisors is an integer number (474132600).

Almost surely, 2^11912893315 is an apocalyptic number.

11912893315 is a deficient number, since it is larger than the sum of its proper divisors (3259349885).

11912893315 is a wasteful number, since it uses less digits than its factorization.

11912893315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its digits is 58320, while the sum is 43.

The spelling of 11912893315 in words is "eleven billion, nine hundred twelve million, eight hundred ninety-three thousand, three hundred fifteen".