1161488126031 has 32 divisors (see below), whose sum is σ = 1662743464128. Its totient is φ = 718563041280.

The previous prime is 1161488126023. The next prime is 1161488126077. The reversal of 1161488126031 is 1306218841611.

It is not a de Polignac number, because 1161488126031 - 2³ = 1161488126023 is a prime.

It is a super-2 number, since 2×1161488126031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161488126731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11943355 + ... + 12040211.

It is an arithmetic number, because the mean of its divisors is an integer number (51960733254).

Almost surely, 2^{1161488126031} is an apocalyptic number.

1161488126031 is a deficient number, since it is larger than the sum of its proper divisors (501255338097).

1161488126031 is a wasteful number, since it uses less digits than its factorization.

1161488126031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100171.

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 1161488126031 in words is "one trillion, one hundred sixty-one billion, four hundred eighty-eight million, one hundred twenty-six thousand, thirty-one".