102150717215 has 16 divisors (see below), whose sum is σ = 125950495968. Its totient is φ = 79476137856.

The previous prime is 102150717199. The next prime is 102150717217. The reversal of 102150717215 is 512717051201.

It is a cyclic number.

It is not a de Polignac number, because 102150717215 - 2⁴ = 102150717199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102150717217) 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, 291869 + ... + 538041.

It is an arithmetic number, because the mean of its divisors is an integer number (7871905998).

Almost surely, 2^102150717215 is an apocalyptic number.

102150717215 is a deficient number, since it is larger than the sum of its proper divisors (23799778753).

102150717215 is a wasteful number, since it uses less digits than its factorization.

102150717215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248458.

The product of its (nonzero) digits is 4900, while the sum is 32.

Adding to 102150717215 its reverse (512717051201), we get a palindrome (614867768416).

The spelling of 102150717215 in words is "one hundred two billion, one hundred fifty million, seven hundred seventeen thousand, two hundred fifteen".