11999817845627 has 8 divisors (see below), whose sum is σ = 12413684508240. Its totient is φ = 11585956505760.

The previous prime is 11999817845591. The next prime is 11999817845641. The reversal of 11999817845627 is 72654871899911.

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

It is a cyclic number.

It is not a de Polignac number, because 11999817845627 - 2³⁴ = 11982637976443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11999817895627) 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, 3560753 + ... + 6056285.

It is an arithmetic number, because the mean of its divisors is an integer number (1551710563530).

Almost surely, 2^{11999817845627} is an apocalyptic number.

11999817845627 is a deficient number, since it is larger than the sum of its proper divisors (413866662613).

11999817845627 is a wasteful number, since it uses less digits than its factorization.

11999817845627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661373.

The product of its digits is 548674560, while the sum is 77.

The spelling of 11999817845627 in words is "eleven trillion, nine hundred ninety-nine billion, eight hundred seventeen million, eight hundred forty-five thousand, six hundred twenty-seven".