1252454533255 has 16 divisors (see below), whose sum is σ = 1585464837120. Its totient is φ = 947178495648.

The previous prime is 1252454533201. The next prime is 1252454533289. The reversal of 1252454533255 is 5523354542521.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252454533255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14193307 + ... + 14281276.

It is an arithmetic number, because the mean of its divisors is an integer number (99091552320).

Almost surely, 2^{1252454533255} is an apocalyptic number.

1252454533255 is a deficient number, since it is larger than the sum of its proper divisors (333010303865).

1252454533255 is a wasteful number, since it uses less digits than its factorization.

1252454533255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28475070.

The product of its digits is 3600000, while the sum is 46.

The spelling of 1252454533255 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-four million, five hundred thirty-three thousand, two hundred fifty-five".