61028903255 has 32 divisors (see below), whose sum is σ = 74450534400. Its totient is φ = 48020688000.

The previous prime is 61028903227. The next prime is 61028903281. The reversal of 61028903255 is 55230982016.

It is not a de Polignac number, because 61028903255 - 2⁶ = 61028903191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53021930 + ... + 53023080.

It is an arithmetic number, because the mean of its divisors is an integer number (2326579200).

Almost surely, 2^61028903255 is an apocalyptic number.

61028903255 is a deficient number, since it is larger than the sum of its proper divisors (13421631145).

61028903255 is a wasteful number, since it uses less digits than its factorization.

61028903255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 61028903255 in words is "sixty-one billion, twenty-eight million, nine hundred three thousand, two hundred fifty-five".