11312149473 has 16 divisors (see below), whose sum is σ = 17042788800. Its totient is φ = 7413611040.

The previous prime is 11312149463. The next prime is 11312149483. The reversal of 11312149473 is 37494121311.

It is a happy number.

11312149473 is a `hidden beast` number, since 11 + 31 + 2 + 149 + 473 = 666.

It is an interprime number because it is at equal distance from previous prime (11312149463) and next prime (11312149483).

It is not a de Polignac number, because 11312149473 - 2⁵ = 11312149441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11312149463) 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, 3548988 + ... + 3552173.

It is an arithmetic number, because the mean of its divisors is an integer number (1065174300).

Almost surely, 2^11312149473 is an apocalyptic number.

It is an amenable number.

11312149473 is a deficient number, since it is larger than the sum of its proper divisors (5730639327).

11312149473 is an equidigital number, since it uses as much as digits as its factorization.

11312149473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101229 (or 7101223 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The spelling of 11312149473 in words is "eleven billion, three hundred twelve million, one hundred forty-nine thousand, four hundred seventy-three".