1252755776099 has 2 divisors, whose sum is σ = 1252755776100. Its totient is φ = 1252755776098.

The previous prime is 1252755776087. The next prime is 1252755776101. The reversal of 1252755776099 is 9906775572521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252755776099 - 2³⁶ = 1184036299363 is a prime.

Together with 1252755776101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1252755776039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626377888049 + 626377888050.

It is an arithmetic number, because the mean of its divisors is an integer number (626377888050).

Almost surely, 2^{1252755776099} is an apocalyptic number.

1252755776099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252755776099 is an equidigital number, since it uses as much as digits as its factorization.

1252755776099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83349000, while the sum is 65.

The spelling of 1252755776099 in words is "one trillion, two hundred fifty-two billion, seven hundred fifty-five million, seven hundred seventy-six thousand, ninety-nine".