1174117791261 has 8 divisors (see below), whose sum is σ = 1577440697184. Its totient is φ = 776770039760.

The previous prime is 1174117791257. The next prime is 1174117791311. The reversal of 1174117791261 is 1621977114711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1174117791261 - 2² = 1174117791257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1174117791261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1174117791221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493788146 + ... + 1493788931.

It is an arithmetic number, because the mean of its divisors is an integer number (197180087148).

Almost surely, 2^{1174117791261} is an apocalyptic number.

It is an amenable number.

1174117791261 is a deficient number, since it is larger than the sum of its proper divisors (403322905923).

1174117791261 is a wasteful number, since it uses less digits than its factorization.

1174117791261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987577211.

The product of its digits is 148176, while the sum is 48.

The spelling of 1174117791261 in words is "one trillion, one hundred seventy-four billion, one hundred seventeen million, seven hundred ninety-one thousand, two hundred sixty-one".