1155082427531 has 2 divisors, whose sum is σ = 1155082427532. Its totient is φ = 1155082427530.

The previous prime is 1155082427497. The next prime is 1155082427623. The reversal of 1155082427531 is 1357242805511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155082427531 - 2¹⁰ = 1155082426507 is a prime.

It is a super-2 number, since 2×1155082427531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1155082447531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577541213765 + 577541213766.

It is an arithmetic number, because the mean of its divisors is an integer number (577541213766).

Almost surely, 2^{1155082427531} is an apocalyptic number.

1155082427531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155082427531 is an equidigital number, since it uses as much as digits as its factorization.

1155082427531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 1155082427531 in words is "one trillion, one hundred fifty-five billion, eighty-two million, four hundred twenty-seven thousand, five hundred thirty-one".