1131863025433 has 6 divisors (see below), whose sum is σ = 1316656988826. Its totient is φ = 970168307472.

The previous prime is 1131863025431. The next prime is 1131863025481. The reversal of 1131863025433 is 3345203681311.

It can be written as a sum of positive squares in only one way, i.e., 943136207104 + 188726818329 = 971152^2 + 434427^2 .

It is not a de Polignac number, because 1131863025433 - 2¹ = 1131863025431 is a prime.

It is a super-2 number, since 2×1131863025433² (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 (1131863025431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11549622660 + ... + 11549622757.

It is an arithmetic number, because the mean of its divisors is an integer number (219442831471).

Almost surely, 2^{1131863025433} is an apocalyptic number.

It is an amenable number.

1131863025433 is a deficient number, since it is larger than the sum of its proper divisors (184793963393).

1131863025433 is an equidigital number, since it uses as much as digits as its factorization.

1131863025433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23099245431 (or 23099245424 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 1131863025433 in words is "one trillion, one hundred thirty-one billion, eight hundred sixty-three million, twenty-five thousand, four hundred thirty-three".