102205342544355 has 24 divisors (see below), whose sum is σ = 177929533763280. Its totient is φ = 54271483197120.

The previous prime is 102205342544353. The next prime is 102205342544363. The reversal of 102205342544355 is 553445243502201.

102205342544355 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 0 + 53 + 4 + 2 + 544 + 3 + 55 = 666.

It is not a de Polignac number, because 102205342544355 - 2¹ = 102205342544353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 102205342544355.

It is not an unprimeable number, because it can be changed into a prime (102205342544353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4959006801 + ... + 4959027410.

It is an arithmetic number, because the mean of its divisors is an integer number (7413730573470).

Almost surely, 2^{102205342544355} is an apocalyptic number.

102205342544355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102205342544355 is a deficient number, since it is larger than the sum of its proper divisors (75724191218925).

102205342544355 is a wasteful number, since it uses less digits than its factorization.

102205342544355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918034451 (or 9918034448 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 102205342544355 in words is "one hundred two trillion, two hundred five billion, three hundred forty-two million, five hundred forty-four thousand, three hundred fifty-five".