11621760125 has 16 divisors (see below), whose sum is σ = 14895961392. Its totient is φ = 9046123200.

The previous prime is 11621760109. The next prime is 11621760127. The reversal of 11621760125 is 52106712611.

It can be written as a sum of positive squares in 8 ways, for example, as 1405200196 + 10216559929 = 37486^2 + 101077^2 .

It is not a de Polignac number, because 11621760125 - 2⁴ = 11621760109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11621760091 and 11621760100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621760127) 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, 1251782 + ... + 1261031.

It is an arithmetic number, because the mean of its divisors is an integer number (930997587).

Almost surely, 2^11621760125 is an apocalyptic number.

It is an amenable number.

11621760125 is a deficient number, since it is larger than the sum of its proper divisors (3274201267).

11621760125 is an equidigital number, since it uses as much as digits as its factorization.

11621760125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512865 (or 2512855 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 11621760125 in words is "eleven billion, six hundred twenty-one million, seven hundred sixty thousand, one hundred twenty-five".