11123268457 has 8 divisors (see below), whose sum is σ = 12812404736. Its totient is φ = 9459156672.

The previous prime is 11123268427. The next prime is 11123268467. The reversal of 11123268457 is 75486232111.

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

It is a de Polignac number, because none of the positive numbers 2^k-11123268457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123268427) 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, 6255168 + ... + 6256945.

It is an arithmetic number, because the mean of its divisors is an integer number (1601550592).

Almost surely, 2^11123268457 is an apocalyptic number.

It is an amenable number.

11123268457 is a deficient number, since it is larger than the sum of its proper divisors (1689136279).

11123268457 is a wasteful number, since it uses less digits than its factorization.

11123268457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512247.

The product of its digits is 80640, while the sum is 40.

The spelling of 11123268457 in words is "eleven billion, one hundred twenty-three million, two hundred sixty-eight thousand, four hundred fifty-seven".