1171741667572 has 12 divisors (see below), whose sum is σ = 2343483335200. Its totient is φ = 502175000376.

The previous prime is 1171741667563. The next prime is 1171741667573. The reversal of 1171741667572 is 2757661471711.

1171741667572 is an admirable number.

It is a super-2 number, since 2×1171741667572² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171741667573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20923958322 + ... + 20923958377.

Almost surely, 2^{1171741667572} is an apocalyptic number.

It is an amenable number.

1171741667572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171741667572 is a wasteful number, since it uses less digits than its factorization.

1171741667572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41847916710 (or 41847916708 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 55.

The spelling of 1171741667572 in words is "one trillion, one hundred seventy-one billion, seven hundred forty-one million, six hundred sixty-seven thousand, five hundred seventy-two".