11473623225 has 81 divisors (see below), whose sum is σ = 21230967303. Its totient is φ = 5923031040.

The previous prime is 11473623193. The next prime is 11473623251. The reversal of 11473623225 is 52232637411.

The square root of 11473623225 is 107115.

It is a perfect power (a square), and thus also a powerful number.

11473623225 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 3 + 623 + 2 + 25 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 5250306681 + 6223316544 = 72459^2 + 78888^2 .

It is not a de Polignac number, because 11473623225 - 2⁵ = 11473623193 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11473623225.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 59448729 + ... + 59448921.

Almost surely, 2^11473623225 is an apocalyptic number.

11473623225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11473623225 is the 107115-th square number.

11473623225 is the 53558-th centered octagonal number.

It is an amenable number.

11473623225 is a deficient number, since it is larger than the sum of its proper divisors (9757344078).

11473623225 is an equidigital number, since it uses as much as digits as its factorization.

11473623225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 238 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

Multiplying 11473623225 by its sum of digits (36), we get a square (413050436100 = 642690²).

The spelling of 11473623225 in words is "eleven billion, four hundred seventy-three million, six hundred twenty-three thousand, two hundred twenty-five".