11545412545 has 8 divisors (see below), whose sum is σ = 13920157440. Its totient is φ = 9192555120.

The previous prime is 11545412539. The next prime is 11545412563. The reversal of 11545412545 is 54521454511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11545412545 - 2⁵ = 11545412513 is a prime.

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, 5470705 + ... + 5472814.

It is an arithmetic number, because the mean of its divisors is an integer number (1740019680).

Almost surely, 2^11545412545 is an apocalyptic number.

It is an amenable number.

11545412545 is a deficient number, since it is larger than the sum of its proper divisors (2374744895).

11545412545 is a wasteful number, since it uses less digits than its factorization.

11545412545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943735.

The product of its digits is 80000, while the sum is 37.

The spelling of 11545412545 in words is "eleven billion, five hundred forty-five million, four hundred twelve thousand, five hundred forty-five".