1158040012141 has 4 divisors (see below), whose sum is σ = 1158683012284. Its totient is φ = 1157397012000.

The previous prime is 1158040012133. The next prime is 1158040012147. The reversal of 1158040012141 is 1412100408511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94984158025 + 1063055854116 = 308195^2 + 1031046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158040012141 - 2³ = 1158040012133 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 321497370 + ... + 321500971.

It is an arithmetic number, because the mean of its divisors is an integer number (289670753071).

Almost surely, 2^{1158040012141} is an apocalyptic number.

It is an amenable number.

1158040012141 is a deficient number, since it is larger than the sum of its proper divisors (643000143).

1158040012141 is an equidigital number, since it uses as much as digits as its factorization.

1158040012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643000142.

The product of its (nonzero) digits is 1280, while the sum is 28.

The spelling of 1158040012141 in words is "one trillion, one hundred fifty-eight billion, forty million, twelve thousand, one hundred forty-one".