11472851391 has 12 divisors (see below), whose sum is σ = 15552034056. Its totient is φ = 7523173920.

The previous prime is 11472851389. The next prime is 11472851399. The reversal of 11472851391 is 19315827411.

It is not a de Polignac number, because 11472851391 - 2¹ = 11472851389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11472851399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502716 + ... + 525041.

It is an arithmetic number, because the mean of its divisors is an integer number (1296002838).

Almost surely, 2^11472851391 is an apocalyptic number.

11472851391 is a deficient number, since it is larger than the sum of its proper divisors (4079182665).

11472851391 is an equidigital number, since it uses as much as digits as its factorization.

11472851391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027882 (or 1027821 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The spelling of 11472851391 in words is "eleven billion, four hundred seventy-two million, eight hundred fifty-one thousand, three hundred ninety-one".