11471923632 has 80 divisors (see below), whose sum is σ = 31932067328. Its totient is φ = 3527988480.

The previous prime is 11471923627. The next prime is 11471923637. The reversal of 11471923632 is 23632917411.

It is an interprime number because it is at equal distance from previous prime (11471923627) and next prime (11471923637).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11471923637) 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, 1663263 + ... + 1670145.

Almost surely, 2^11471923632 is an apocalyptic number.

11471923632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11471923632 is an abundant number, since it is smaller than the sum of its proper divisors (20460143696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11471923632 is a wasteful number, since it uses less digits than its factorization.

11471923632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578 (or 9572 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The spelling of 11471923632 in words is "eleven billion, four hundred seventy-one million, nine hundred twenty-three thousand, six hundred thirty-two".