1155232506037 has 4 divisors (see below), whose sum is σ = 1155280566700. Its totient is φ = 1155184445376.

The previous prime is 1155232505989. The next prime is 1155232506073. The reversal of 1155232506037 is 7306052325511.

It is a happy number.

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 257663851236 + 897568654801 = 507606^2 + 947401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155232506037 - 2⁷ = 1155232505909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155232516037) 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, 23994258 + ... + 24042355.

It is an arithmetic number, because the mean of its divisors is an integer number (288820141675).

Almost surely, 2^{1155232506037} is an apocalyptic number.

It is an amenable number.

1155232506037 is a deficient number, since it is larger than the sum of its proper divisors (48060663).

1155232506037 is an equidigital number, since it uses as much as digits as its factorization.

1155232506037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48060662.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 1155232506037 in words is "one trillion, one hundred fifty-five billion, two hundred thirty-two million, five hundred six thousand, thirty-seven".