11442238719 has 16 divisors (see below), whose sum is σ = 15347957760. Its totient is φ = 7582401440.

The previous prime is 11442238711. The next prime is 11442238721. The reversal of 11442238719 is 91783224411.

It is a cyclic number.

It is not a de Polignac number, because 11442238719 - 2³ = 11442238711 is a prime.

It is a super-2 number, since 2×11442238719² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442238711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817609 + ... + 831485.

It is an arithmetic number, because the mean of its divisors is an integer number (959247360).

Almost surely, 2^11442238719 is an apocalyptic number.

11442238719 is a deficient number, since it is larger than the sum of its proper divisors (3905719041).

11442238719 is a wasteful number, since it uses less digits than its factorization.

11442238719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15510.

The product of its digits is 96768, while the sum is 42.

The spelling of 11442238719 in words is "eleven billion, four hundred forty-two million, two hundred thirty-eight thousand, seven hundred nineteen".