1156810127131 has 8 divisors (see below), whose sum is σ = 1174891944960. Its totient is φ = 1138752309288.

The previous prime is 1156810127111. The next prime is 1156810127153. The reversal of 1156810127131 is 1317210186511.

It is a happy number.

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 1156810127131 - 2²⁹ = 1156273256219 is a prime.

It is a super-2 number, since 2×1156810127131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156810127101) 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, 5902831 + ... + 6095656.

It is an arithmetic number, because the mean of its divisors is an integer number (146861493120).

Almost surely, 2^{1156810127131} is an apocalyptic number.

1156810127131 is a deficient number, since it is larger than the sum of its proper divisors (18081817829).

1156810127131 is a wasteful number, since it uses less digits than its factorization.

1156810127131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11999993.

The product of its (nonzero) digits is 10080, while the sum is 37.

The spelling of 1156810127131 in words is "one trillion, one hundred fifty-six billion, eight hundred ten million, one hundred twenty-seven thousand, one hundred thirty-one".