10001255142 has 32 divisors (see below), whose sum is σ = 21183410304. Its totient is φ = 3137014400.

The previous prime is 10001255137. The next prime is 10001255149. The reversal of 10001255142 is 24155210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001255149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962917 + ... + 973247.

It is an arithmetic number, because the mean of its divisors is an integer number (661981572).

Almost surely, 2^10001255142 is an apocalyptic number.

10001255142 is an abundant number, since it is smaller than the sum of its proper divisors (11182155162).

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

10001255142 is a wasteful number, since it uses less digits than its factorization.

10001255142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19844.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 10001255142 its reverse (24155210001), we get a palindrome (34156465143).

The spelling of 10001255142 in words is "ten billion, one million, two hundred fifty-five thousand, one hundred forty-two".