1250505133535 has 16 divisors (see below), whose sum is σ = 1716049737792. Its totient is φ = 856953600000.

The previous prime is 1250505133531. The next prime is 1250505133561. The reversal of 1250505133535 is 5353315050521.

It is not a de Polignac number, because 1250505133535 - 2² = 1250505133531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250505133531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11102216 + ... + 11214285.

It is an arithmetic number, because the mean of its divisors is an integer number (107253108612).

Almost surely, 2^{1250505133535} is an apocalyptic number.

1250505133535 is a deficient number, since it is larger than the sum of its proper divisors (465544604257).

1250505133535 is a wasteful number, since it uses less digits than its factorization.

1250505133535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22318114.

The product of its (nonzero) digits is 168750, while the sum is 38.

The spelling of 1250505133535 in words is "one trillion, two hundred fifty billion, five hundred five million, one hundred thirty-three thousand, five hundred thirty-five".