1253025507858 has 16 divisors (see below), whose sum is σ = 2520051302880. Its totient is φ = 415341788096.

The previous prime is 1253025507823. The next prime is 1253025507859. The reversal of 1253025507858 is 8587055203521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253025507858.

It is not an unprimeable number, because it can be changed into a prime (1253025507859) 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, 583344135 + ... + 583346282.

It is an arithmetic number, because the mean of its divisors is an integer number (157503206430).

Almost surely, 2^{1253025507858} is an apocalyptic number.

1253025507858 is an abundant number, since it is smaller than the sum of its proper divisors (1267025795022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253025507858 is a wasteful number, since it uses less digits than its factorization.

1253025507858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166690601.

The product of its (nonzero) digits is 3360000, while the sum is 51.

The spelling of 1253025507858 in words is "one trillion, two hundred fifty-three billion, twenty-five million, five hundred seven thousand, eight hundred fifty-eight".