11734856653 has 16 divisors (see below), whose sum is σ = 13223934976. Its totient is φ = 10339125120.

The previous prime is 11734856633. The next prime is 11734856659. The reversal of 11734856653 is 35665843711.

It is a cyclic number.

It is not a de Polignac number, because 11734856653 - 2⁹ = 11734856141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11734856597 and 11734856606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11734856659) 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, 170025 + ... + 228862.

It is an arithmetic number, because the mean of its divisors is an integer number (826495936).

Almost surely, 2^11734856653 is an apocalyptic number.

11734856653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11734856653 is a deficient number, since it is larger than the sum of its proper divisors (1489078323).

11734856653 is a wasteful number, since it uses less digits than its factorization.

11734856653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399004.

The product of its digits is 1814400, while the sum is 49.

The spelling of 11734856653 in words is "eleven billion, seven hundred thirty-four million, eight hundred fifty-six thousand, six hundred fifty-three".