250612561055 has 4 divisors (see below), whose sum is σ = 300735073272. Its totient is φ = 200490048840.

The previous prime is 250612561039. The next prime is 250612561063. The reversal of 250612561055 is 550165216052.

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

It is not a de Polignac number, because 250612561055 - 2⁴ = 250612561039 is a prime.

It is a super-2 number, since 2×250612561055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 25061256101 + ... + 25061256110.

It is an arithmetic number, because the mean of its divisors is an integer number (75183768318).

Almost surely, 2^250612561055 is an apocalyptic number.

250612561055 is a deficient number, since it is larger than the sum of its proper divisors (50122512217).

250612561055 is an equidigital number, since it uses as much as digits as its factorization.

250612561055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50122512216.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 250612561055 in words is "two hundred fifty billion, six hundred twelve million, five hundred sixty-one thousand, fifty-five".