1011113111940 has 48 divisors (see below), whose sum is σ = 2831160841152. Its totient is φ = 269625960576.

The previous prime is 1011113111891. The next prime is 1011113111941. The reversal of 1011113111940 is 491113111101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011113111940.

It is not an unprimeable number, because it can be changed into a prime (1011113111941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6610002 + ... + 6761238.

It is an arithmetic number, because the mean of its divisors is an integer number (58982517524).

Almost surely, 2^{1011113111940} is an apocalyptic number.

1011113111940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011113111940 is an abundant number, since it is smaller than the sum of its proper divisors (1820047729212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011113111940 is a wasteful number, since it uses less digits than its factorization.

1011113111940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262676 (or 262674 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 24.

The spelling of 1011113111940 in words is "one trillion, eleven billion, one hundred thirteen million, one hundred eleven thousand, nine hundred forty".