61161058258 has 8 divisors (see below), whose sum is σ = 95730352128. Its totient is φ = 29250940884.

The previous prime is 61161058237. The next prime is 61161058267. The reversal of 61161058258 is 85285016116.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 664794066 + ... + 664794157.

It is an arithmetic number, because the mean of its divisors is an integer number (11966294016).

Almost surely, 2^61161058258 is an apocalyptic number.

61161058258 is a deficient number, since it is larger than the sum of its proper divisors (34569293870).

61161058258 is a wasteful number, since it uses less digits than its factorization.

61161058258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329588248.

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 61161058258 in words is "sixty-one billion, one hundred sixty-one million, fifty-eight thousand, two hundred fifty-eight".