11720265453 has 48 divisors (see below), whose sum is σ = 18993199680. Its totient is φ = 6917126400.

The previous prime is 11720265421. The next prime is 11720265481. The reversal of 11720265453 is 35456202711.

It is not a de Polignac number, because 11720265453 - 2⁵ = 11720265421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11720265493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262318 + ... + 303728.

It is an arithmetic number, because the mean of its divisors is an integer number (395691660).

Almost surely, 2^11720265453 is an apocalyptic number.

11720265453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11720265453 is a deficient number, since it is larger than the sum of its proper divisors (7272934227).

11720265453 is a wasteful number, since it uses less digits than its factorization.

11720265453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41530 (or 41527 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 11720265453 in words is "eleven billion, seven hundred twenty million, two hundred sixty-five thousand, four hundred fifty-three".