11455205125 has 64 divisors (see below), whose sum is σ = 17758540800. Its totient is φ = 7183468800.

The previous prime is 11455205093. The next prime is 11455205141. The reversal of 11455205125 is 52150255411.

It is not a de Polignac number, because 11455205125 - 2⁵ = 11455205093 is a prime.

It is a super-3 number, since 3×11455205125³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1235256 + ... + 1244494.

It is an arithmetic number, because the mean of its divisors is an integer number (277477200).

Almost surely, 2^11455205125 is an apocalyptic number.

It is an amenable number.

11455205125 is a deficient number, since it is larger than the sum of its proper divisors (6303335675).

11455205125 is a wasteful number, since it uses less digits than its factorization.

11455205125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9383 (or 9373 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 11455205125 in words is "eleven billion, four hundred fifty-five million, two hundred five thousand, one hundred twenty-five".