11348874257 has 4 divisors (see below), whose sum is σ = 12970142016. Its totient is φ = 9727606500.

The previous prime is 11348874241. The next prime is 11348874283. The reversal of 11348874257 is 75247884311.

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: 75247884311 = 37 ⋅2033726603.

It is a cyclic number.

It is not a de Polignac number, because 11348874257 - 2⁴ = 11348874241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11348874457) 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, 810633869 + ... + 810633882.

It is an arithmetic number, because the mean of its divisors is an integer number (3242535504).

Almost surely, 2^11348874257 is an apocalyptic number.

It is an amenable number.

11348874257 is a deficient number, since it is larger than the sum of its proper divisors (1621267759).

11348874257 is an equidigital number, since it uses as much as digits as its factorization.

11348874257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621267758.

The product of its digits is 1505280, while the sum is 50.

The spelling of 11348874257 in words is "eleven billion, three hundred forty-eight million, eight hundred seventy-four thousand, two hundred fifty-seven".