11545600505 has 8 divisors (see below), whose sum is σ = 13960482624. Its totient is φ = 9165972400.

The previous prime is 11545600499. The next prime is 11545600511. The reversal of 11545600505 is 50500654511.

It is an interprime number because it is at equal distance from previous prime (11545600499) and next prime (11545600511).

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

It is a de Polignac number, because none of the positive numbers 2^k-11545600505 is a prime.

It is a Duffinian 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, 8812781 + ... + 8814090.

It is an arithmetic number, because the mean of its divisors is an integer number (1745060328).

Almost surely, 2^11545600505 is an apocalyptic number.

It is an amenable number.

11545600505 is a deficient number, since it is larger than the sum of its proper divisors (2414882119).

11545600505 is a wasteful number, since it uses less digits than its factorization.

11545600505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17627007.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 11545600505 in words is "eleven billion, five hundred forty-five million, six hundred thousand, five hundred five".