11875550625 has 45 divisors (see below), whose sum is σ = 21449867439. Its totient is φ = 6329268000.

The previous prime is 11875550611. The next prime is 11875550669. The reversal of 11875550625 is 52605557811.

The square root of 11875550625 is 108975.

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

11875550625 is a `hidden beast` number, since 1 + 1 + 8 + 75 + 550 + 6 + 25 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 2166995601 + 9708555024 = 46551^2 + 98532^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 11875550625 - 2⁵ = 11875550593 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8172399 + ... + 8173851.

Almost surely, 2^11875550625 is an apocalyptic number.

11875550625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11875550625 is the 108975-th square number.

11875550625 is the 54488-th centered octagonal number.

It is an amenable number.

11875550625 is a deficient number, since it is larger than the sum of its proper divisors (9574316814).

11875550625 is an frugal number, since it uses more digits than its factorization.

11875550625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 45.

It can be divided in two parts, 11875 and 550625, that added together give a square (562500 = 750²).

The spelling of 11875550625 in words is "eleven billion, eight hundred seventy-five million, five hundred fifty thousand, six hundred twenty-five".