1171270306507 has 12 divisors (see below), whose sum is σ = 1363553567256. Its totient is φ = 1003168272960.

The previous prime is 1171270306501. The next prime is 1171270306529. The reversal of 1171270306507 is 7056030721711.

It is not a de Polignac number, because 1171270306507 - 2³⁵ = 1136910568139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1171270306507.

It is not an unprimeable number, because it can be changed into a prime (1171270306501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9194478 + ... + 9320995.

It is an arithmetic number, because the mean of its divisors is an integer number (113629463938).

Almost surely, 2^{1171270306507} is an apocalyptic number.

1171270306507 is a deficient number, since it is larger than the sum of its proper divisors (192283260749).

1171270306507 is a wasteful number, since it uses less digits than its factorization.

1171270306507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18516778 (or 18516771 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 1171270306507 in words is "one trillion, one hundred seventy-one billion, two hundred seventy million, three hundred six thousand, five hundred seven".