102135450115 has 16 divisors (see below), whose sum is σ = 124286234688. Its totient is φ = 80560037376.

The previous prime is 102135450113. The next prime is 102135450149. The reversal of 102135450115 is 511054531201.

It is a cyclic number.

It is not a de Polignac number, because 102135450115 - 2¹ = 102135450113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102135450113) 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, 993834 + ... + 1091776.

It is an arithmetic number, because the mean of its divisors is an integer number (7767889668).

Almost surely, 2^102135450115 is an apocalyptic number.

102135450115 is a deficient number, since it is larger than the sum of its proper divisors (22150784573).

102135450115 is an equidigital number, since it uses as much as digits as its factorization.

102135450115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100878.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 102135450115 its reverse (511054531201), we get a palindrome (613189981316).

The spelling of 102135450115 in words is "one hundred two billion, one hundred thirty-five million, four hundred fifty thousand, one hundred fifteen".