11457817253 has 4 divisors (see below), whose sum is σ = 11595863328. Its totient is φ = 11319771180.

The previous prime is 11457817249. The next prime is 11457817289. The reversal of 11457817253 is 35271875411.

11457817253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35271875411 = 56377 ⋅625643.

It is a cyclic number.

It is not a de Polignac number, because 11457817253 - 2² = 11457817249 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 (11457813253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69022913 + ... + 69023078.

It is an arithmetic number, because the mean of its divisors is an integer number (2898965832).

Almost surely, 2^11457817253 is an apocalyptic number.

It is an amenable number.

11457817253 is a deficient number, since it is larger than the sum of its proper divisors (138046075).

11457817253 is an equidigital number, since it uses as much as digits as its factorization.

11457817253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138046074.

The product of its digits is 235200, while the sum is 44.

The spelling of 11457817253 in words is "eleven billion, four hundred fifty-seven million, eight hundred seventeen thousand, two hundred fifty-three".