1085296431269 has 4 divisors (see below), whose sum is σ = 1120305993600. Its totient is φ = 1050286868940.

The previous prime is 1085296431239. The next prime is 1085296431277. The reversal of 1085296431269 is 9621346925801.

1085296431269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085296431269 is a prime.

It is a super-2 number, since 2×1085296431269² (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 (1085296431229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17504781119 + ... + 17504781180.

It is an arithmetic number, because the mean of its divisors is an integer number (280076498400).

Almost surely, 2^{1085296431269} is an apocalyptic number.

It is an amenable number.

1085296431269 is a deficient number, since it is larger than the sum of its proper divisors (35009562331).

1085296431269 is an equidigital number, since it uses as much as digits as its factorization.

1085296431269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35009562330.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 1085296431269 in words is "one trillion, eighty-five billion, two hundred ninety-six million, four hundred thirty-one thousand, two hundred sixty-nine".