61255814999608 has 8 divisors (see below), whose sum is σ = 114854653124280. Its totient is φ = 30627907499800.

The previous prime is 61255814999581. The next prime is 61255814999633. The reversal of 61255814999608 is 80699941855216.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3828488437468 + ... + 3828488437483.

It is an arithmetic number, because the mean of its divisors is an integer number (14356831640535).

Almost surely, 2^{61255814999608} is an apocalyptic number.

It is an amenable number.

61255814999608 is a deficient number, since it is larger than the sum of its proper divisors (53598838124672).

61255814999608 is a wasteful number, since it uses less digits than its factorization.

61255814999608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656976874957 (or 7656976874953 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 73.

The spelling of 61255814999608 in words is "sixty-one trillion, two hundred fifty-five billion, eight hundred fourteen million, nine hundred ninety-nine thousand, six hundred eight".