61058358355 has 4 divisors (see below), whose sum is σ = 73270030032. Its totient is φ = 48846686680.

The previous prime is 61058358349. The next prime is 61058358367. The reversal of 61058358355 is 55385385016.

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

It is not a de Polignac number, because 61058358355 - 2⁵ = 61058358323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61058358299 and 61058358308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105835831 + ... + 6105835840.

It is an arithmetic number, because the mean of its divisors is an integer number (18317507508).

Almost surely, 2^61058358355 is an apocalyptic number.

61058358355 is a deficient number, since it is larger than the sum of its proper divisors (12211671677).

61058358355 is a wasteful number, since it uses less digits than its factorization.

61058358355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12211671676.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 61058358355 in words is "sixty-one billion, fifty-eight million, three hundred fifty-eight thousand, three hundred fifty-five".