11635020725 has 12 divisors (see below), whose sum is σ = 14570274660. Its totient is φ = 9215856000.

The previous prime is 11635020721. The next prime is 11635020737. The reversal of 11635020725 is 52702053611.

It can be written as a sum of positive squares in 6 ways, for example, as 196504324 + 11438516401 = 14018^2 + 106951^2 .

It is not a de Polignac number, because 11635020725 - 2² = 11635020721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11635020691 and 11635020700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11635020721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2301440 + ... + 2306489.

It is an arithmetic number, because the mean of its divisors is an integer number (1214189555).

Almost surely, 2^11635020725 is an apocalyptic number.

It is an amenable number.

11635020725 is a deficient number, since it is larger than the sum of its proper divisors (2935253935).

11635020725 is a wasteful number, since it uses less digits than its factorization.

11635020725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608040 (or 4608035 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 11635020725 in words is "eleven billion, six hundred thirty-five million, twenty thousand, seven hundred twenty-five".