1185459874453 has 2 divisors, whose sum is σ = 1185459874454. Its totient is φ = 1185459874452.

The previous prime is 1185459874421. The next prime is 1185459874463. The reversal of 1185459874453 is 3544789545811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100145058884 + 85314815569 = 1048878^2 + 292087^2 .

It is an emirp because it is prime and its reverse (3544789545811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1185459874453 - 2⁵ = 1185459874421 is a prime.

It is a super-2 number, since 2×1185459874453² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1185459874463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592729937226 + 592729937227.

It is an arithmetic number, because the mean of its divisors is an integer number (592729937227).

Almost surely, 2^{1185459874453} is an apocalyptic number.

It is an amenable number.

1185459874453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1185459874453 is an equidigital number, since it uses as much as digits as its factorization.

1185459874453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768000, while the sum is 64.

The spelling of 1185459874453 in words is "one trillion, one hundred eighty-five billion, four hundred fifty-nine million, eight hundred seventy-four thousand, four hundred fifty-three".