258596991122 has 6 divisors (see below), whose sum is σ = 387896565429. Its totient is φ = 129298135980.

The previous prime is 258596991073. The next prime is 258596991131. The reversal of 258596991122 is 221199695852.

It can be written as a sum of positive squares in 2 ways, for example, as 193045118161 + 65551872961 = 439369^2 + 256031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=359581.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 539372 + ... + 898952.

Almost surely, 2^258596991122 is an apocalyptic number.

258596991122 is a deficient number, since it is larger than the sum of its proper divisors (129299574307).

258596991122 is an frugal number, since it uses more digits than its factorization.

258596991122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719164 (or 359583 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 59.

The spelling of 258596991122 in words is "two hundred fifty-eight billion, five hundred ninety-six million, nine hundred ninety-one thousand, one hundred twenty-two".