11473663725 has 72 divisors (see below), whose sum is σ = 20771393760. Its totient is φ = 6053927040.

The previous prime is 11473663723. The next prime is 11473663753. The reversal of 11473663725 is 52736637411.

11473663725 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 3 + 6 + 637 + 2 + 5 = 666.

It is not a de Polignac number, because 11473663725 - 2¹ = 11473663723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11473663723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9864994 + ... + 9866156.

It is an arithmetic number, because the mean of its divisors is an integer number (288491580).

Almost surely, 2^11473663725 is an apocalyptic number.

11473663725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11473663725 is a deficient number, since it is larger than the sum of its proper divisors (9297730035).

11473663725 is a wasteful number, since it uses less digits than its factorization.

11473663725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1603 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 11473663725 in words is "eleven billion, four hundred seventy-three million, six hundred sixty-three thousand, seven hundred twenty-five".