103200621345 has 48 divisors (see below), whose sum is σ = 196418476800. Its totient is φ = 51802654464.

The previous prime is 103200621323. The next prime is 103200621353. The reversal of 103200621345 is 543126002301.

103200621345 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 0 + 0 + 621 + 34 + 5 = 666.

It is not a de Polignac number, because 103200621345 - 2¹⁴ = 103200604961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2477545 + ... + 2518854.

It is an arithmetic number, because the mean of its divisors is an integer number (4092051600).

Almost surely, 2^103200621345 is an apocalyptic number.

103200621345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103200621345 is a deficient number, since it is larger than the sum of its proper divisors (93217855455).

103200621345 is an equidigital number, since it uses as much as digits as its factorization.

103200621345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996436 (or 4996424 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 103200621345 its reverse (543126002301), we get a palindrome (646326623646).

The spelling of 103200621345 in words is "one hundred three billion, two hundred million, six hundred twenty-one thousand, three hundred forty-five".