11457704569 has 8 divisors (see below), whose sum is σ = 12141891720. Its totient is φ = 10792790400.

The previous prime is 11457704549. The next prime is 11457704593. The reversal of 11457704569 is 96540775411.

It can be written as a sum of positive squares in 4 ways, for example, as 43560000 + 11414144569 = 6600^2 + 106837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11457704569 - 2⁹ = 11457704057 is a prime.

It is a super-2 number, since 2×11457704569² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11457704549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4817022 + ... + 4819399.

It is an arithmetic number, because the mean of its divisors is an integer number (1517736465).

Almost surely, 2^11457704569 is an apocalyptic number.

It is an amenable number.

11457704569 is a deficient number, since it is larger than the sum of its proper divisors (684187151).

11457704569 is an equidigital number, since it uses as much as digits as its factorization.

11457704569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636491.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 11457704569 in words is "eleven billion, four hundred fifty-seven million, seven hundred four thousand, five hundred sixty-nine".