102161852137411 has 4 divisors (see below), whose sum is σ = 111449293240824. Its totient is φ = 92874411034000.

The previous prime is 102161852137361. The next prime is 102161852137537. The reversal of 102161852137411 is 114731258161201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102161852137411 - 2²⁷ = 102161717919683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102161852137811) 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, 4643720551690 + ... + 4643720551711.

It is an arithmetic number, because the mean of its divisors is an integer number (27862323310206).

Almost surely, 2^{102161852137411} is an apocalyptic number.

102161852137411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102161852137411 is a deficient number, since it is larger than the sum of its proper divisors (9287441103413).

102161852137411 is an equidigital number, since it uses as much as digits as its factorization.

102161852137411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9287441103412.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 102161852137411 in words is "one hundred two trillion, one hundred sixty-one billion, eight hundred fifty-two million, one hundred thirty-seven thousand, four hundred eleven".