102130443544 has 8 divisors (see below), whose sum is σ = 191494581660. Its totient is φ = 51065221768.

The previous prime is 102130443511. The next prime is 102130443563. The reversal of 102130443544 is 445344031201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6383152714 + ... + 6383152729.

Almost surely, 2^102130443544 is an apocalyptic number.

It is an amenable number.

102130443544 is a deficient number, since it is larger than the sum of its proper divisors (89364138116).

102130443544 is a wasteful number, since it uses less digits than its factorization.

102130443544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766305449 (or 12766305445 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 102130443544 its reverse (445344031201), we get a palindrome (547474474745).

The spelling of 102130443544 in words is "one hundred two billion, one hundred thirty million, four hundred forty-three thousand, five hundred forty-four".