11179243971 has 32 divisors (see below), whose sum is σ = 18944947200. Its totient is φ = 6382359360.

The previous prime is 11179243927. The next prime is 11179243991. The reversal of 11179243971 is 17934297111.

It is a happy number.

It is not a de Polignac number, because 11179243971 - 2¹⁷ = 11179112899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11179243991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187186 + ... + 239576.

It is an arithmetic number, because the mean of its divisors is an integer number (592029600).

Almost surely, 2^11179243971 is an apocalyptic number.

11179243971 is a deficient number, since it is larger than the sum of its proper divisors (7765703229).

11179243971 is a wasteful number, since it uses less digits than its factorization.

11179243971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53536 (or 53530 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The spelling of 11179243971 in words is "eleven billion, one hundred seventy-nine million, two hundred forty-three thousand, nine hundred seventy-one".