11725317432 has 64 divisors (see below), whose sum is σ = 33364749600. Its totient is φ = 3813108480.

The previous prime is 11725317431. The next prime is 11725317491. The reversal of 11725317432 is 23471352711.

11725317432 is a `hidden beast` number, since 1 + 172 + 53 + 1 + 7 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725317431) 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, 653143 + ... + 670854.

Almost surely, 2^11725317432 is an apocalyptic number.

11725317432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11725317432 is an abundant number, since it is smaller than the sum of its proper divisors (21639432168).

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

11725317432 is a wasteful number, since it uses less digits than its factorization.

11725317432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324053 (or 1324043 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The spelling of 11725317432 in words is "eleven billion, seven hundred twenty-five million, three hundred seventeen thousand, four hundred thirty-two".