1161357831929 has 8 divisors (see below), whose sum is σ = 1162363859712. Its totient is φ = 1160351982720.

The previous prime is 1161357831913. The next prime is 1161357831983. The reversal of 1161357831929 is 9291387531611.

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 1161357831929 - 2⁴ = 1161357831913 is a prime.

It is a super-2 number, since 2×1161357831929² (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 (1161357830929) 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, 15182192 + ... + 15258494.

It is an arithmetic number, because the mean of its divisors is an integer number (145295482464).

Almost surely, 2^{1161357831929} is an apocalyptic number.

It is an amenable number.

1161357831929 is a deficient number, since it is larger than the sum of its proper divisors (1006027783).

1161357831929 is a wasteful number, since it uses less digits than its factorization.

1161357831929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89287.

The product of its digits is 2449440, while the sum is 56.

The spelling of 1161357831929 in words is "one trillion, one hundred sixty-one billion, three hundred fifty-seven million, eight hundred thirty-one thousand, nine hundred twenty-nine".