102411343987 has 4 divisors (see below), whose sum is σ = 102588833896. Its totient is φ = 102233854080.

The previous prime is 102411343963. The next prime is 102411343997. The reversal of 102411343987 is 789343114201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789343114201 = 3391 ⋅232775911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102411343987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102411343997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88744089 + ... + 88745242.

It is an arithmetic number, because the mean of its divisors is an integer number (25647208474).

Almost surely, 2^102411343987 is an apocalyptic number.

102411343987 is a deficient number, since it is larger than the sum of its proper divisors (177489909).

102411343987 is an equidigital number, since it uses as much as digits as its factorization.

102411343987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177489908.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 102411343987 in words is "one hundred two billion, four hundred eleven million, three hundred forty-three thousand, nine hundred eighty-seven".