1168122140461 has 16 divisors (see below), whose sum is σ = 1251018662400. Its totient is φ = 1088724163968.

The previous prime is 1168122140459. The next prime is 1168122140467. The reversal of 1168122140461 is 1640412218611.

It is a cyclic number.

It is not a de Polignac number, because 1168122140461 - 2¹ = 1168122140459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1168122140461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168122140467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5770521 + ... + 5969518.

It is an arithmetic number, because the mean of its divisors is an integer number (78188666400).

Almost surely, 2^{1168122140461} is an apocalyptic number.

It is an amenable number.

1168122140461 is a deficient number, since it is larger than the sum of its proper divisors (82896521939).

1168122140461 is a wasteful number, since it uses less digits than its factorization.

1168122140461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11740188.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 1168122140461 in words is "one trillion, one hundred sixty-eight billion, one hundred twenty-two million, one hundred forty thousand, four hundred sixty-one".