1177071894271 has 16 divisors (see below), whose sum is σ = 1463047483968. Its totient is φ = 922088736000.

The previous prime is 1177071894253. The next prime is 1177071894301. The reversal of 1177071894271 is 1724981707711.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1177071894271 - 2⁵ = 1177071894239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177071894211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64024750 + ... + 64043131.

It is an arithmetic number, because the mean of its divisors is an integer number (91440467748).

Almost surely, 2^{1177071894271} is an apocalyptic number.

1177071894271 is a deficient number, since it is larger than the sum of its proper divisors (285975589697).

1177071894271 is a wasteful number, since it uses less digits than its factorization.

1177071894271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128068002.

The product of its (nonzero) digits is 1382976, while the sum is 55.

The spelling of 1177071894271 in words is "one trillion, one hundred seventy-seven billion, seventy-one million, eight hundred ninety-four thousand, two hundred seventy-one".