1155267670831 has 8 divisors (see below), whose sum is σ = 1186505640320. Its totient is φ = 1124030465568.

The previous prime is 1155267670789. The next prime is 1155267670993. The reversal of 1155267670831 is 1380767625511.

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 1155267670831 - 2¹³ = 1155267662639 is a prime.

It is a super-2 number, since 2×1155267670831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155267670331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4250050 + ... + 4513696.

It is an arithmetic number, because the mean of its divisors is an integer number (148313205040).

Almost surely, 2^{1155267670831} is an apocalyptic number.

1155267670831 is a deficient number, since it is larger than the sum of its proper divisors (31237969489).

1155267670831 is a wasteful number, since it uses less digits than its factorization.

1155267670831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382113.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 1155267670831 in words is "one trillion, one hundred fifty-five billion, two hundred sixty-seven million, six hundred seventy thousand, eight hundred thirty-one".