11518755572453 has 24 divisors (see below), whose sum is σ = 12387341723616. Its totient is φ = 10705699461600.

The previous prime is 11518755572449. The next prime is 11518755572473. The reversal of 11518755572453 is 35427555781511.

It is a happy number.

It is not a de Polignac number, because 11518755572453 - 2² = 11518755572449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11518755572392 and 11518755572401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11518755572473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351475958 + ... + 351508728.

It is an arithmetic number, because the mean of its divisors is an integer number (516139238484).

Almost surely, 2^{11518755572453} is an apocalyptic number.

It is an amenable number.

11518755572453 is a deficient number, since it is larger than the sum of its proper divisors (868586151163).

11518755572453 is a wasteful number, since it uses less digits than its factorization.

11518755572453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51233 (or 51214 counting only the distinct ones).

The product of its digits is 29400000, while the sum is 59.

The spelling of 11518755572453 in words is "eleven trillion, five hundred eighteen billion, seven hundred fifty-five million, five hundred seventy-two thousand, four hundred fifty-three".