1111243141040 has 40 divisors (see below), whose sum is σ = 2584236830400. Its totient is φ = 444394628096.

The previous prime is 1111243141027. The next prime is 1111243141091. The reversal of 1111243141040 is 401413421111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1111243141040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111243140997 and 1111243141015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254440 + ... + 1948359.

It is an arithmetic number, because the mean of its divisors is an integer number (64605920760).

Almost surely, 2^{1111243141040} is an apocalyptic number.

1111243141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111243141040 is an abundant number, since it is smaller than the sum of its proper divisors (1472993689360).

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

1111243141040 is a wasteful number, since it uses less digits than its factorization.

1111243141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207149 (or 3207143 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1111243141040 its reverse (401413421111), we get a palindrome (1512656562151).

The spelling of 1111243141040 in words is "one trillion, one hundred eleven billion, two hundred forty-three million, one hundred forty-one thousand, forty".