1155858435131 has 8 divisors (see below), whose sum is σ = 1156403961600. Its totient is φ = 1155313008360.

The previous prime is 1155858435091. The next prime is 1155858435211. The reversal of 1155858435131 is 1315348585511.

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 1155858435131 - 2²⁶ = 1155791326267 is a prime.

It is a super-2 number, since 2×1155858435131² (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 1155858435131.

It is not an unprimeable number, because it can be changed into a prime (1155858435331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32690060 + ... + 32725398.

It is an arithmetic number, because the mean of its divisors is an integer number (144550495200).

Almost surely, 2^{1155858435131} is an apocalyptic number.

1155858435131 is a deficient number, since it is larger than the sum of its proper divisors (545526469).

1155858435131 is a wasteful number, since it uses less digits than its factorization.

1155858435131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49849.

The product of its digits is 1440000, while the sum is 50.

The spelling of 1155858435131 in words is "one trillion, one hundred fifty-five billion, eight hundred fifty-eight million, four hundred thirty-five thousand, one hundred thirty-one".