1158040011955 has 8 divisors (see below), whose sum is σ = 1389654288000. Its totient is φ = 926427827136.

The previous prime is 1158040011907. The next prime is 1158040011971. The reversal of 1158040011955 is 5591100408511.

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 1158040011955 - 2³⁷ = 1020601058483 is a prime.

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, 1229271 + ... + 1956319.

It is an arithmetic number, because the mean of its divisors is an integer number (173706786000).

Almost surely, 2^{1158040011955} is an apocalyptic number.

1158040011955 is a deficient number, since it is larger than the sum of its proper divisors (231614276045).

1158040011955 is an equidigital number, since it uses as much as digits as its factorization.

1158040011955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045613.

The product of its (nonzero) digits is 36000, while the sum is 40.

The spelling of 1158040011955 in words is "one trillion, one hundred fifty-eight billion, forty million, eleven thousand, nine hundred fifty-five".