1172161185701 has 8 divisors (see below), whose sum is σ = 1284455472384. Its totient is φ = 1060822595520.

The previous prime is 1172161185661. The next prime is 1172161185703. The reversal of 1172161185701 is 1075811612711.

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 1172161185701 - 2²⁶ = 1172094076837 is a prime.

It is a super-2 number, since 2×1172161185701² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172161185703) 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, 238921556 + ... + 238926461.

It is an arithmetic number, because the mean of its divisors is an integer number (160556934048).

Almost surely, 2^{1172161185701} is an apocalyptic number.

1172161185701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1172161185701 is a deficient number, since it is larger than the sum of its proper divisors (112294286683).

1172161185701 is a wasteful number, since it uses less digits than its factorization.

1172161185701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477848251.

The product of its (nonzero) digits is 23520, while the sum is 41.

The spelling of 1172161185701 in words is "one trillion, one hundred seventy-two billion, one hundred sixty-one million, one hundred eighty-five thousand, seven hundred one".