1075117302391 has 4 divisors (see below), whose sum is σ = 1172855238984. Its totient is φ = 977379365800.

The previous prime is 1075117302353. The next prime is 1075117302421. The reversal of 1075117302391 is 1932037115701.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1075117302391 - 2²³ = 1075108913783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075117300391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48868968280 + ... + 48868968301.

It is an arithmetic number, because the mean of its divisors is an integer number (293213809746).

Almost surely, 2^{1075117302391} is an apocalyptic number.

1075117302391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1075117302391 is a deficient number, since it is larger than the sum of its proper divisors (97737936593).

1075117302391 is an equidigital number, since it uses as much as digits as its factorization.

1075117302391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97737936592.

The product of its (nonzero) digits is 39690, while the sum is 40.

The spelling of 1075117302391 in words is "one trillion, seventy-five billion, one hundred seventeen million, three hundred two thousand, three hundred ninety-one".