11457537453 has 64 divisors (see below), whose sum is σ = 18439680000. Its totient is φ = 7007264640.

The previous prime is 11457537449. The next prime is 11457537461. The reversal of 11457537453 is 35473575411.

11457537453 is a `hidden beast` number, since 1 + 1 + 4 + 575 + 3 + 74 + 5 + 3 = 666.

It is not a de Polignac number, because 11457537453 - 2² = 11457537449 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11457537399 and 11457537408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457537433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2921628 + ... + 2925546.

It is an arithmetic number, because the mean of its divisors is an integer number (288120000).

Almost surely, 2^11457537453 is an apocalyptic number.

It is an amenable number.

11457537453 is a deficient number, since it is larger than the sum of its proper divisors (6982142547).

11457537453 is a wasteful number, since it uses less digits than its factorization.

11457537453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127 (or 4121 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The spelling of 11457537453 in words is "eleven billion, four hundred fifty-seven million, five hundred thirty-seven thousand, four hundred fifty-three".