102158000001 has 12 divisors (see below), whose sum is σ = 147614349012. Its totient is φ = 68080967136.

The previous prime is 102157999973. The next prime is 102158000059. The reversal of 102158000001 is 100000851201.

It can be written as a sum of positive squares in 2 ways, for example, as 73622682225 + 28535317776 = 271335^2 + 168924^2 .

It is not a de Polignac number, because 102158000001 - 2¹⁹ = 102157475713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102158000101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2003946 + ... + 2054291.

It is an arithmetic number, because the mean of its divisors is an integer number (12301195751).

Almost surely, 2^102158000001 is an apocalyptic number.

It is an amenable number.

102158000001 is a deficient number, since it is larger than the sum of its proper divisors (45456349011).

102158000001 is a wasteful number, since it uses less digits than its factorization.

102158000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061040 (or 4061037 counting only the distinct ones).

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

Adding to 102158000001 its reverse (100000851201), we get a palindrome (202158851202).

The spelling of 102158000001 in words is "one hundred two billion, one hundred fifty-eight million, one", and thus it is an aban number.