1111620158999 has 8 divisors (see below), whose sum is σ = 1277005543200. Its totient is φ = 947880400896.

The previous prime is 1111620158993. The next prime is 1111620159007. The reversal of 1111620158999 is 9998510261111.

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 1111620158999 - 2²⁸ = 1111351723543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111620158999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111620158993) 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, 411405074 + ... + 411407775.

It is an arithmetic number, because the mean of its divisors is an integer number (159625692900).

Almost surely, 2^{1111620158999} is an apocalyptic number.

1111620158999 is a deficient number, since it is larger than the sum of its proper divisors (165385384201).

1111620158999 is an equidigital number, since it uses as much as digits as its factorization.

1111620158999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822813049.

The product of its (nonzero) digits is 349920, while the sum is 53.

The spelling of 1111620158999 in words is "one trillion, one hundred eleven billion, six hundred twenty million, one hundred fifty-eight thousand, nine hundred ninety-nine".