104859513261 has 12 divisors (see below), whose sum is σ = 151481159388. Its totient is φ = 69898303104.

The previous prime is 104859513251. The next prime is 104859513277. The reversal of 104859513261 is 162315958401.

It is a happy number.

104859513261 is a `hidden beast` number, since 1 + 0 + 48 + 595 + 13 + 2 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36421814025 + 68437699236 = 190845^2 + 261606^2 .

It is not a de Polignac number, because 104859513261 - 2¹⁵ = 104859480493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104859513251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586770 + ... + 744323.

It is an arithmetic number, because the mean of its divisors is an integer number (12623429949).

Almost surely, 2^104859513261 is an apocalyptic number.

It is an amenable number.

104859513261 is a deficient number, since it is larger than the sum of its proper divisors (46621646127).

104859513261 is a wasteful number, since it uses less digits than its factorization.

104859513261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339852 (or 1339849 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 104859513261 in words is "one hundred four billion, eight hundred fifty-nine million, five hundred thirteen thousand, two hundred sixty-one".