61258356359 has 24 divisors (see below), whose sum is σ = 65855847120. Its totient is φ = 56964059136.

The previous prime is 61258356343. The next prime is 61258356457. The reversal of 61258356359 is 95365385216.

It is not a de Polignac number, because 61258356359 - 2⁴ = 61258356343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61258356359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61258356659) 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, 20714909 + ... + 20717865.

It is an arithmetic number, because the mean of its divisors is an integer number (2743993630).

Almost surely, 2^61258356359 is an apocalyptic number.

61258356359 is a deficient number, since it is larger than the sum of its proper divisors (4597490761).

61258356359 is a wasteful number, since it uses less digits than its factorization.

61258356359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827 (or 3810 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 53.

The spelling of 61258356359 in words is "sixty-one billion, two hundred fifty-eight million, three hundred fifty-six thousand, three hundred fifty-nine".