1158040012142 has 32 divisors (see below), whose sum is σ = 1889798409408. Its totient is φ = 529022866176.

The previous prime is 1158040012133. The next prime is 1158040012147. The reversal of 1158040012142 is 2412100408511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158040012147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5228768 + ... + 5445740.

It is an arithmetic number, because the mean of its divisors is an integer number (59056200294).

Almost surely, 2^{1158040012142} is an apocalyptic number.

1158040012142 is a deficient number, since it is larger than the sum of its proper divisors (731758397266).

1158040012142 is a wasteful number, since it uses less digits than its factorization.

1158040012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219084.

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 1158040012142 in words is "one trillion, one hundred fifty-eight billion, forty million, twelve thousand, one hundred forty-two".