11663074442 has 4 divisors (see below), whose sum is σ = 17494611666. Its totient is φ = 5831537220.

The previous prime is 11663074411. The next prime is 11663074453. The reversal of 11663074442 is 24447036611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6291503761 + 5371570681 = 79319^2 + 73291^2 .

It is a super-2 number, since 2×11663074442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11663074396 and 11663074405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915768609 + ... + 2915768612.

Almost surely, 2^11663074442 is an apocalyptic number.

11663074442 is a deficient number, since it is larger than the sum of its proper divisors (5831537224).

11663074442 is an equidigital number, since it uses as much as digits as its factorization.

11663074442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831537223.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 11663074442 in words is "eleven billion, six hundred sixty-three million, seventy-four thousand, four hundred forty-two".