61140083258 has 4 divisors (see below), whose sum is σ = 91710124890. Its totient is φ = 30570041628.

The previous prime is 61140083237. The next prime is 61140083287. The reversal of 61140083258 is 85238004116.

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

It can be written as a sum of positive squares in only one way, i.e., 36089740729 + 25050342529 = 189973^2 + 158273^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15285020813 + ... + 15285020816.

Almost surely, 2^61140083258 is an apocalyptic number.

61140083258 is a deficient number, since it is larger than the sum of its proper divisors (30570041632).

61140083258 is a wasteful number, since it uses less digits than its factorization.

61140083258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30570041631.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 61140083258 in words is "sixty-one billion, one hundred forty million, eighty-three thousand, two hundred fifty-eight".