102543413556 has 12 divisors (see below), whose sum is σ = 239267964992. Its totient is φ = 34181137848.

The previous prime is 102543413549. The next prime is 102543413563. The reversal of 102543413556 is 655314345201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102543413549) and next prime (102543413563).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4272642220 + ... + 4272642243.

Almost surely, 2^102543413556 is an apocalyptic number.

It is an amenable number.

102543413556 is an abundant number, since it is smaller than the sum of its proper divisors (136724551436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102543413556 is a wasteful number, since it uses less digits than its factorization.

102543413556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545284470 (or 8545284468 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 102543413556 its reverse (655314345201), we get a palindrome (757857758757).

The spelling of 102543413556 in words is "one hundred two billion, five hundred forty-three million, four hundred thirteen thousand, five hundred fifty-six".