102000111578 has 16 divisors (see below), whose sum is σ = 153479340000. Its totient is φ = 50840464752.

The previous prime is 102000111569. The next prime is 102000111593. The reversal of 102000111578 is 875111000201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558988 + ... + 1623096.

It is an arithmetic number, because the mean of its divisors is an integer number (9592458750).

Almost surely, 2^102000111578 is an apocalyptic number.

102000111578 is a deficient number, since it is larger than the sum of its proper divisors (51479228422).

102000111578 is a wasteful number, since it uses less digits than its factorization.

102000111578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66589.

The product of its (nonzero) digits is 560, while the sum is 26.

Adding to 102000111578 its reverse (875111000201), we get a palindrome (977111111779).

The spelling of 102000111578 in words is "one hundred two billion, one hundred eleven thousand, five hundred seventy-eight".