111919193013 has 8 divisors (see below), whose sum is σ = 149230119808. Its totient is φ = 74610530784.

The previous prime is 111919192969. The next prime is 111919193107. The reversal of 111919193013 is 310391919111.

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

It is not a de Polignac number, because 111919193013 - 2²¹ = 111917095861 is a prime.

It is a super-2 number, since 2×111919193013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111919193513) 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, 447256 + ... + 651057.

It is an arithmetic number, because the mean of its divisors is an integer number (18653764976).

Almost surely, 2^111919193013 is an apocalyptic number.

It is an amenable number.

111919193013 is a deficient number, since it is larger than the sum of its proper divisors (37310926795).

111919193013 is a wasteful number, since it uses less digits than its factorization.

111919193013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132283.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 111919193013 in words is "one hundred eleven billion, nine hundred nineteen million, one hundred ninety-three thousand, thirteen".