61368255526388 has 24 divisors (see below), whose sum is σ = 108661240568832. Its totient is φ = 30324067006464.

The previous prime is 61368255526373. The next prime is 61368255526393. The reversal of 61368255526388 is 88362555286316.

61368255526388 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234896006 + ... + 235157117.

It is an arithmetic number, because the mean of its divisors is an integer number (4527551690368).

Almost surely, 2^{61368255526388} is an apocalyptic number.

It is an amenable number.

61368255526388 is a deficient number, since it is larger than the sum of its proper divisors (47292985042444).

61368255526388 is a wasteful number, since it uses less digits than its factorization.

61368255526388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470053511 (or 470053509 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 68.

The spelling of 61368255526388 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-six thousand, three hundred eighty-eight".