1155082427501 has 4 divisors (see below), whose sum is σ = 1159193041404. Its totient is φ = 1150971813600.

The previous prime is 1155082427497. The next prime is 1155082427531. The reversal of 1155082427501 is 1057242805511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 602096850601 + 552985576900 = 775949^2 + 743630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155082427501 - 2² = 1155082427497 is a prime.

It is a super-2 number, since 2×1155082427501² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155082427531) 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 3 ways as a sum of consecutive naturals, for example, 2055306530 + ... + 2055307091.

It is an arithmetic number, because the mean of its divisors is an integer number (289798260351).

Almost surely, 2^{1155082427501} is an apocalyptic number.

It is an amenable number.

1155082427501 is a deficient number, since it is larger than the sum of its proper divisors (4110613903).

1155082427501 is an equidigital number, since it uses as much as digits as its factorization.

1155082427501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110613902.

The product of its (nonzero) digits is 112000, while the sum is 41.

The spelling of 1155082427501 in words is "one trillion, one hundred fifty-five billion, eighty-two million, four hundred twenty-seven thousand, five hundred one".