11161917485525 has 24 divisors (see below), whose sum is σ = 14140320199680. Its totient is φ = 8736416717760.

The previous prime is 11161917485491. The next prime is 11161917485561. The reversal of 11161917485525 is 52558471916111.

It is not a de Polignac number, because 11161917485525 - 2²⁰ = 11161916436949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1588316 + ... + 4984634.

It is an arithmetic number, because the mean of its divisors is an integer number (589180008320).

Almost surely, 2^{11161917485525} is an apocalyptic number.

It is an amenable number.

11161917485525 is a deficient number, since it is larger than the sum of its proper divisors (2978402714155).

11161917485525 is a wasteful number, since it uses less digits than its factorization.

11161917485525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399173 (or 3399168 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 56.

The spelling of 11161917485525 in words is "eleven trillion, one hundred sixty-one billion, nine hundred seventeen million, four hundred eighty-five thousand, five hundred twenty-five".