11657512653 has 8 divisors (see below), whose sum is σ = 15546495648. Its totient is φ = 7770102384.

The previous prime is 11657512639. The next prime is 11657512679. The reversal of 11657512653 is 35621575611.

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

It is not a de Polignac number, because 11657512653 - 2⁴ = 11657512637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11657512693) 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, 375775 + ... + 405612.

It is an arithmetic number, because the mean of its divisors is an integer number (1943311956).

Almost surely, 2^11657512653 is an apocalyptic number.

It is an amenable number.

11657512653 is a deficient number, since it is larger than the sum of its proper divisors (3888982995).

11657512653 is an equidigital number, since it uses as much as digits as its factorization.

11657512653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786363.

The product of its digits is 189000, while the sum is 42.

The spelling of 11657512653 in words is "eleven billion, six hundred fifty-seven million, five hundred twelve thousand, six hundred fifty-three".