102550311042 has 16 divisors (see below), whose sum is σ = 205168103712. Its totient is φ = 34172190080.

The previous prime is 102550311041. The next prime is 102550311047. The reversal of 102550311042 is 240113055201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102550311041) 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, 2791968 + ... + 2828459.

It is an arithmetic number, because the mean of its divisors is an integer number (12823006482).

Almost surely, 2^102550311042 is an apocalyptic number.

102550311042 is an abundant number, since it is smaller than the sum of its proper divisors (102617792670).

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

102550311042 is a wasteful number, since it uses less digits than its factorization.

102550311042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623473.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 102550311042 its reverse (240113055201), we get a palindrome (342663366243).

The spelling of 102550311042 in words is "one hundred two billion, five hundred fifty million, three hundred eleven thousand, forty-two".