1196181877401 has 27 divisors (see below), whose sum is σ = 2009949638463. Its totient is φ = 683519376960.

The previous prime is 1196181877369. The next prime is 1196181877409. The reversal of 1196181877401 is 1047781816911.

The square root of 1196181877401 is 1093701.

It is a perfect power (a square), and thus also a powerful number.

1196181877401 is a `hidden beast` number, since 1 + 1 + 9 + 618 + 18 + 7 + 7 + 4 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107748719001 + 1088433158400 = 328251^2 + 1043280^2 .

It is not a de Polignac number, because 1196181877401 - 2⁵ = 1196181877369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1196181877409) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22941681 + ... + 22993761.

Almost surely, 2^{1196181877401} is an apocalyptic number.

1196181877401 is the 1093701-st square number.

1196181877401 is the 546851-st centered octagonal number.

It is an amenable number.

1196181877401 is a deficient number, since it is larger than the sum of its proper divisors (813767761062).

1196181877401 is an frugal number, since it uses more digits than its factorization.

1196181877401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104182 (or 52091 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 54.

The spelling of 1196181877401 in words is "one trillion, one hundred ninety-six billion, one hundred eighty-one million, eight hundred seventy-seven thousand, four hundred one".