11898065523 has 8 divisors (see below), whose sum is σ = 15864614608. Its totient is φ = 7931780064.

The previous prime is 11898065503. The next prime is 11898065533. The reversal of 11898065523 is 32556089811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11898065523 - 2²⁵ = 11864511091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11898065503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96765 + ... + 182097.

It is an arithmetic number, because the mean of its divisors is an integer number (1983076826).

Almost surely, 2^11898065523 is an apocalyptic number.

11898065523 is a deficient number, since it is larger than the sum of its proper divisors (3966549085).

11898065523 is an equidigital number, since it uses as much as digits as its factorization.

11898065523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131813.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 11898065523 in words is "eleven billion, eight hundred ninety-eight million, sixty-five thousand, five hundred twenty-three".