61298523107 has 4 divisors (see below), whose sum is σ = 62724070200. Its totient is φ = 59872976016.

The previous prime is 61298523049. The next prime is 61298523119. The reversal of 61298523107 is 70132589216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61298523107 - 2²⁴ = 61281745891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61298523137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712773482 + ... + 712773567.

It is an arithmetic number, because the mean of its divisors is an integer number (15681017550).

Almost surely, 2^61298523107 is an apocalyptic number.

61298523107 is a deficient number, since it is larger than the sum of its proper divisors (1425547093).

61298523107 is a wasteful number, since it uses less digits than its factorization.

61298523107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425547092.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 61298523107 in words is "sixty-one billion, two hundred ninety-eight million, five hundred twenty-three thousand, one hundred seven".