11915497253 has 8 divisors (see below), whose sum is σ = 13010695680. Its totient is φ = 10822294080.

The previous prime is 11915497247. The next prime is 11915497267. The reversal of 11915497253 is 35279451911.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11915497253 - 2¹⁴ = 11915480869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11915497198 and 11915497207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11915490253) 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, 486308 + ... + 510221.

It is an arithmetic number, because the mean of its divisors is an integer number (1626336960).

Almost surely, 2^11915497253 is an apocalyptic number.

It is an amenable number.

11915497253 is a deficient number, since it is larger than the sum of its proper divisors (1095198427).

11915497253 is a wasteful number, since it uses less digits than its factorization.

11915497253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997627.

The product of its digits is 340200, while the sum is 47.

The spelling of 11915497253 in words is "eleven billion, nine hundred fifteen million, four hundred ninety-seven thousand, two hundred fifty-three".