11172451439 has 6 divisors (see below), whose sum is σ = 11482572024. Its totient is φ = 10870491960.

The previous prime is 11172451387. The next prime is 11172451471. The reversal of 11172451439 is 93415427111.

It is not a de Polignac number, because 11172451439 - 2⁸ = 11172451183 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 (11172451489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4079147 + ... + 4081884.

It is an arithmetic number, because the mean of its divisors is an integer number (1913762004).

Almost surely, 2^11172451439 is an apocalyptic number.

11172451439 is a deficient number, since it is larger than the sum of its proper divisors (310120585).

11172451439 is an frugal number, since it uses more digits than its factorization.

11172451439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161105 (or 8161068 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The spelling of 11172451439 in words is "eleven billion, one hundred seventy-two million, four hundred fifty-one thousand, four hundred thirty-nine".