11545454511 has 12 divisors (see below), whose sum is σ = 17657754192. Its totient is φ = 7244206656.

The previous prime is 11545454489. The next prime is 11545454513.

11545454511 is a `hidden beast` number, since 1 + 1 + 54 + 54 + 545 + 11 = 666.

11545454511 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11545454511 - 2⁷ = 11545454383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545454513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37730091 + ... + 37730396.

It is an arithmetic number, because the mean of its divisors is an integer number (1471479516).

Almost surely, 2^11545454511 is an apocalyptic number.

11545454511 is a deficient number, since it is larger than the sum of its proper divisors (6112299681).

11545454511 is a wasteful number, since it uses less digits than its factorization.

11545454511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75460510 (or 75460507 counting only the distinct ones).

The product of its digits is 40000, while the sum is 36.

The spelling of 11545454511 in words is "eleven billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred eleven".