11545312757 has 12 divisors (see below), whose sum is σ = 13044179616. Its totient is φ = 10133808720.

The previous prime is 11545312693. The next prime is 11545312763. The reversal of 11545312757 is 75721354511.

It is not a de Polignac number, because 11545312757 - 2⁶ = 11545312693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545312787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614753 + ... + 633254.

It is an arithmetic number, because the mean of its divisors is an integer number (1087014968).

Almost surely, 2^11545312757 is an apocalyptic number.

It is an amenable number.

11545312757 is a deficient number, since it is larger than the sum of its proper divisors (1498866859).

11545312757 is a wasteful number, since it uses less digits than its factorization.

11545312757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248076 (or 1248047 counting only the distinct ones).

The product of its digits is 147000, while the sum is 41.

The spelling of 11545312757 in words is "eleven billion, five hundred forty-five million, three hundred twelve thousand, seven hundred fifty-seven".