11274919399 has 4 divisors (see below), whose sum is σ = 11275308720. Its totient is φ = 11274530080.

The previous prime is 11274919363. The next prime is 11274919429. The reversal of 11274919399 is 99391947211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99391947211 = 32563 ⋅3052297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11274919399 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 (11274919319) 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, 147394 + ... + 210415.

It is an arithmetic number, because the mean of its divisors is an integer number (2818827180).

Almost surely, 2^11274919399 is an apocalyptic number.

11274919399 is a deficient number, since it is larger than the sum of its proper divisors (389321).

11274919399 is an equidigital number, since it uses as much as digits as its factorization.

11274919399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389320.

The product of its digits is 1102248, while the sum is 55.

The spelling of 11274919399 in words is "eleven billion, two hundred seventy-four million, nine hundred nineteen thousand, three hundred ninety-nine".