1253855828386 has 16 divisors (see below), whose sum is σ = 2218804784640. Its totient is φ = 520032371040.

The previous prime is 1253855828299. The next prime is 1253855828387. The reversal of 1253855828386 is 6838285583521.

It is not an unprimeable number, because it can be changed into a prime (1253855828387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444533931 + ... + 1444534798.

It is an arithmetic number, because the mean of its divisors is an integer number (138675299040).

Almost surely, 2^{1253855828386} is an apocalyptic number.

1253855828386 is a deficient number, since it is larger than the sum of its proper divisors (964948956254).

1253855828386 is a wasteful number, since it uses less digits than its factorization.

1253855828386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889068769.

The product of its digits is 110592000, while the sum is 64.

The spelling of 1253855828386 in words is "one trillion, two hundred fifty-three billion, eight hundred fifty-five million, eight hundred twenty-eight thousand, three hundred eighty-six".