102411382511 has 4 divisors (see below), whose sum is σ = 105179257752. Its totient is φ = 99643507272.

The previous prime is 102411382487. The next prime is 102411382529. The reversal of 102411382511 is 115283114201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115283114201 = 19531 ⋅5902571.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102411382511 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 (102411382531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383937565 + ... + 1383937638.

It is an arithmetic number, because the mean of its divisors is an integer number (26294814438).

Almost surely, 2^102411382511 is an apocalyptic number.

102411382511 is a deficient number, since it is larger than the sum of its proper divisors (2767875241).

102411382511 is an equidigital number, since it uses as much as digits as its factorization.

102411382511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767875240.

The product of its (nonzero) digits is 1920, while the sum is 29.

Adding to 102411382511 its reverse (115283114201), we get a palindrome (217694496712).

The spelling of 102411382511 in words is "one hundred two billion, four hundred eleven million, three hundred eighty-two thousand, five hundred eleven".