11898886345 has 16 divisors (see below), whose sum is σ = 14474629008. Its totient is φ = 9389352960.

The previous prime is 11898886343. The next prime is 11898886367. The reversal of 11898886345 is 54368889811.

It can be written as a sum of positive squares in 8 ways, for example, as 297873081 + 11601013264 = 17259^2 + 107708^2 .

It is not a de Polignac number, because 11898886345 - 2¹ = 11898886343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11898886343) 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, 52225 + ... + 162865.

It is an arithmetic number, because the mean of its divisors is an integer number (904664313).

Almost surely, 2^11898886345 is an apocalyptic number.

It is an amenable number.

11898886345 is a deficient number, since it is larger than the sum of its proper divisors (2575742663).

11898886345 is a wasteful number, since it uses less digits than its factorization.

11898886345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110940.

The product of its digits is 13271040, while the sum is 61.

The spelling of 11898886345 in words is "eleven billion, eight hundred ninety-eight million, eight hundred eighty-six thousand, three hundred forty-five".