11601762225 has 12 divisors (see below), whose sum is σ = 19181580336. Its totient is φ = 6187606480.

The previous prime is 11601762181. The next prime is 11601762247. The reversal of 11601762225 is 52226710611.

It is not a de Polignac number, because 11601762225 - 2¹⁵ = 11601729457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77345007 + ... + 77345156.

It is an arithmetic number, because the mean of its divisors is an integer number (1598465028).

Almost surely, 2^11601762225 is an apocalyptic number.

11601762225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11601762225 is a deficient number, since it is larger than the sum of its proper divisors (7579818111).

11601762225 is a wasteful number, since it uses less digits than its factorization.

11601762225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154690176 (or 154690171 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 11601762225 in words is "eleven billion, six hundred one million, seven hundred sixty-two thousand, two hundred twenty-five".