102066777575025 has 24 divisors (see below), whose sum is σ = 169282741294464. Its totient is φ = 54263893512000.

The previous prime is 102066777574991. The next prime is 102066777575051. The reversal of 102066777575025 is 520575777660201.

It is not a de Polignac number, because 102066777575025 - 2¹⁸ = 102066777312881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102066777575025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2146491001 + ... + 2146538550.

It is an arithmetic number, because the mean of its divisors is an integer number (7053447553936).

Almost surely, 2^{102066777575025} is an apocalyptic number.

102066777575025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102066777575025 is a deficient number, since it is larger than the sum of its proper divisors (67215963719439).

102066777575025 is a wasteful number, since it uses less digits than its factorization.

102066777575025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293029881 (or 4293029876 counting only the distinct ones).

The product of its (nonzero) digits is 43218000, while the sum is 60.

The spelling of 102066777575025 in words is "one hundred two trillion, sixty-six billion, seven hundred seventy-seven million, five hundred seventy-five thousand, twenty-five".