11154564125 has 8 divisors (see below), whose sum is σ = 13920896184. Its totient is φ = 8923651200.

The previous prime is 11154564107. The next prime is 11154564151. The reversal of 11154564125 is 52146545111.

It can be written as a sum of positive squares in 4 ways, for example, as 934769476 + 10219794649 = 30574^2 + 101093^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11154564125 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44618132 + ... + 44618381.

It is an arithmetic number, because the mean of its divisors is an integer number (1740112023).

Almost surely, 2^11154564125 is an apocalyptic number.

It is an amenable number.

11154564125 is a deficient number, since it is larger than the sum of its proper divisors (2766332059).

11154564125 is an frugal number, since it uses more digits than its factorization.

11154564125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89236528 (or 89236518 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

The spelling of 11154564125 in words is "eleven billion, one hundred fifty-four million, five hundred sixty-four thousand, one hundred twenty-five".