11395270657 has 4 divisors (see below), whose sum is σ = 11398114260. Its totient is φ = 11392427056.

The previous prime is 11395270609. The next prime is 11395270681. The reversal of 11395270657 is 75607259311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75607259311 = 24847 ⋅3042913.

It can be written as a sum of positive squares in 2 ways, for example, as 6964903936 + 4430366721 = 83456^2 + 66561^2 .

It is a cyclic number.

It is not a de Polignac number, because 11395270657 - 2¹¹ = 11395268609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11395280657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415782 + ... + 1423807.

It is an arithmetic number, because the mean of its divisors is an integer number (2849528565).

Almost surely, 2^11395270657 is an apocalyptic number.

It is an amenable number.

11395270657 is a deficient number, since it is larger than the sum of its proper divisors (2843603).

11395270657 is an equidigital number, since it uses as much as digits as its factorization.

11395270657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843602.

The product of its (nonzero) digits is 396900, while the sum is 46.

The spelling of 11395270657 in words is "eleven billion, three hundred ninety-five million, two hundred seventy thousand, six hundred fifty-seven".