102888545805 has 48 divisors (see below), whose sum is σ = 186158359296. Its totient is φ = 52469936640.

The previous prime is 102888545791. The next prime is 102888545821. The reversal of 102888545805 is 508545888201.

102888545805 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 8 + 8 + 54 + 580 + 5 = 666.

It is not a de Polignac number, because 102888545805 - 2⁴ = 102888545789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3287109 + ... + 3318261.

It is an arithmetic number, because the mean of its divisors is an integer number (3878299152).

Almost surely, 2^102888545805 is an apocalyptic number.

102888545805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102888545805 is a deficient number, since it is larger than the sum of its proper divisors (83269813491).

102888545805 is a wasteful number, since it uses less digits than its factorization.

102888545805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34378 (or 34375 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 54.

The spelling of 102888545805 in words is "one hundred two billion, eight hundred eighty-eight million, five hundred forty-five thousand, eight hundred five".