11505456900849 has 8 divisors (see below), whose sum is σ = 15341200852672. Its totient is φ = 7670008774800.

The previous prime is 11505456900827. The next prime is 11505456900853. The reversal of 11505456900849 is 94800965450511.

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

It is not a de Polignac number, because 11505456900849 - 2³³ = 11496866966257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11505456904849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73865677 + ... + 74021274.

It is an arithmetic number, because the mean of its divisors is an integer number (1917650106584).

Almost surely, 2^{11505456900849} is an apocalyptic number.

It is an amenable number.

11505456900849 is a deficient number, since it is larger than the sum of its proper divisors (3835743951823).

11505456900849 is a wasteful number, since it uses less digits than its factorization.

11505456900849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147912887.

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 11505456900849 in words is "eleven trillion, five hundred five billion, four hundred fifty-six million, nine hundred thousand, eight hundred forty-nine".