10125000018 has 48 divisors (see below), whose sum is σ = 25082693376. Its totient is φ = 2891557440.

The previous prime is 10124999981. The next prime is 10125000019. The reversal of 10125000018 is 81000052101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10125000019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283398 + ... + 317118.

It is an arithmetic number, because the mean of its divisors is an integer number (522556112).

Almost surely, 2^10125000018 is an apocalyptic number.

10125000018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10125000018 is an abundant number, since it is smaller than the sum of its proper divisors (14957693358).

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

10125000018 is a wasteful number, since it uses less digits than its factorization.

10125000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36119 (or 36116 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 10125000018 its reverse (81000052101), we get a palindrome (91125052119).

The spelling of 10125000018 in words is "ten billion, one hundred twenty-five million, eighteen", and thus it is an aban number.