11545126655 has 16 divisors (see below), whose sum is σ = 14939013600. Its totient is φ = 8536573440.

The previous prime is 11545126639. The next prime is 11545126657. The reversal of 11545126655 is 55662154511.

It is not a de Polignac number, because 11545126655 - 2⁴ = 11545126639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545126657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478150 + ... + 1485939.

It is an arithmetic number, because the mean of its divisors is an integer number (933688350).

Almost surely, 2^11545126655 is an apocalyptic number.

11545126655 is a deficient number, since it is larger than the sum of its proper divisors (3393886945).

11545126655 is a wasteful number, since it uses less digits than its factorization.

11545126655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964154.

The product of its digits is 180000, while the sum is 41.

The spelling of 11545126655 in words is "eleven billion, five hundred forty-five million, one hundred twenty-six thousand, six hundred fifty-five".