104561402265 has 24 divisors (see below), whose sum is σ = 186138138888. Its totient is φ = 54258888960.

The previous prime is 104561402249. The next prime is 104561402279. The reversal of 104561402265 is 562204165401.

104561402265 is a `hidden beast` number, since 1 + 0 + 456 + 140 + 2 + 2 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31745617929 + 72815784336 = 178173^2 + 269844^2 .

It is not a de Polignac number, because 104561402265 - 2⁴ = 104561402249 is a prime.

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, 31398156 + ... + 31401485.

It is an arithmetic number, because the mean of its divisors is an integer number (7755755787).

Almost surely, 2^104561402265 is an apocalyptic number.

104561402265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104561402265 is a deficient number, since it is larger than the sum of its proper divisors (81576736623).

104561402265 is a wasteful number, since it uses less digits than its factorization.

104561402265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62799689 (or 62799686 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 104561402265 its reverse (562204165401), we get a palindrome (666765567666).

The spelling of 104561402265 in words is "one hundred four billion, five hundred sixty-one million, four hundred two thousand, two hundred sixty-five".