61255552303 has 16 divisors (see below), whose sum is σ = 70358077440. Its totient is φ = 52743398400.

The previous prime is 61255552289. The next prime is 61255552307. The reversal of 61255552303 is 30325555216.

It is a de Polignac number, because none of the positive numbers 2^k-61255552303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61255552307) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 903826 + ... + 969232.

It is an arithmetic number, because the mean of its divisors is an integer number (4397379840).

Almost surely, 2^61255552303 is an apocalyptic number.

61255552303 is a deficient number, since it is larger than the sum of its proper divisors (9102525137).

61255552303 is a wasteful number, since it uses less digits than its factorization.

61255552303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69918.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 61255552303 in words is "sixty-one billion, two hundred fifty-five million, five hundred fifty-two thousand, three hundred three".