102191378537424 has 160 divisors (see below), whose sum is σ = 288516294811008. Its totient is φ = 30910924800000.

The previous prime is 102191378537321. The next prime is 102191378537441. The reversal of 102191378537424 is 424735873191201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3287889564 + ... + 3287920644.

Almost surely, 2^{102191378537424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102191378537424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144258147405504).

102191378537424 is an abundant number, since it is smaller than the sum of its proper divisors (186324916273584).

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

102191378537424 is a wasteful number, since it uses less digits than its factorization.

102191378537424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42197 (or 42191 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 102191378537424 in words is "one hundred two trillion, one hundred ninety-one billion, three hundred seventy-eight million, five hundred thirty-seven thousand, four hundred twenty-four".