111620556003 has 64 divisors (see below), whose sum is σ = 174765786624. Its totient is φ = 62619648000.

The previous prime is 111620556001. The next prime is 111620556013. The reversal of 111620556003 is 300655026111.

It is not a de Polignac number, because 111620556003 - 2¹ = 111620556001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111620556001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8297763 + ... + 8311203.

It is an arithmetic number, because the mean of its divisors is an integer number (2730715416).

Almost surely, 2^111620556003 is an apocalyptic number.

111620556003 is a deficient number, since it is larger than the sum of its proper divisors (63145230621).

111620556003 is a wasteful number, since it uses less digits than its factorization.

111620556003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13716.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 111620556003 in words is "one hundred eleven billion, six hundred twenty million, five hundred fifty-six thousand, three".