1142040023011 has 8 divisors (see below), whose sum is σ = 1210134253104. Its totient is φ = 1074047504640.

The previous prime is 1142040022999. The next prime is 1142040023041. The reversal of 1142040023011 is 1103200402411.

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 1142040023011 - 2⁷ = 1142040022883 is a prime.

It is a super-2 number, since 2×1142040023011² (a number of 25 digits) contains 22 as substring.

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 1142040023011.

It is not an unprimeable number, because it can be changed into a prime (1142040023041) 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, 25404805 + ... + 25449718.

It is an arithmetic number, because the mean of its divisors is an integer number (151266781638).

Almost surely, 2^{1142040023011} is an apocalyptic number.

1142040023011 is a deficient number, since it is larger than the sum of its proper divisors (68094230093).

1142040023011 is a wasteful number, since it uses less digits than its factorization.

1142040023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50855861.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1142040023011 its reverse (1103200402411), we get a palindrome (2245240425422).

The spelling of 1142040023011 in words is "one trillion, one hundred forty-two billion, forty million, twenty-three thousand, eleven".