1166828871451 has 2 divisors, whose sum is σ = 1166828871452. Its totient is φ = 1166828871450.

The previous prime is 1166828871433. The next prime is 1166828871457. The reversal of 1166828871451 is 1541788286611.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1541788286611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1166828871451 - 2³³ = 1158238936859 is a prime.

It is a super-2 number, since 2×1166828871451² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1166828871457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583414435725 + 583414435726.

It is an arithmetic number, because the mean of its divisors is an integer number (583414435726).

Almost surely, 2^{1166828871451} is an apocalyptic number.

1166828871451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166828871451 is an equidigital number, since it uses as much as digits as its factorization.

1166828871451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 58.

The spelling of 1166828871451 in words is "one trillion, one hundred sixty-six billion, eight hundred twenty-eight million, eight hundred seventy-one thousand, four hundred fifty-one".