1162100421655 has 8 divisors (see below), whose sum is σ = 1394850283200. Its totient is φ = 929460485856.

The previous prime is 1162100421641. The next prime is 1162100421659. The reversal of 1162100421655 is 5561240012611.

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 1162100421655 - 2⁹ = 1162100421143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1162100421655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162100421659) 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, 27458175 + ... + 27500464.

It is an arithmetic number, because the mean of its divisors is an integer number (174356285400).

Almost surely, 2^{1162100421655} is an apocalyptic number.

1162100421655 is a deficient number, since it is larger than the sum of its proper divisors (232749861545).

1162100421655 is an equidigital number, since it uses as much as digits as its factorization.

1162100421655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54962873.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 1162100421655 in words is "one trillion, one hundred sixty-two billion, one hundred million, four hundred twenty-one thousand, six hundred fifty-five".