61368255526368 has 96 divisors (see below), whose sum is σ = 194934458767104. Its totient is φ = 16502388037632.

The previous prime is 61368255526363. The next prime is 61368255526373. The reversal of 61368255526368 is 86362555286316.

It is an interprime number because it is at equal distance from previous prime (61368255526363) and next prime (61368255526373).

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 61368255526299 and 61368255526308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61368255526363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2685924130 + ... + 2685946977.

It is an arithmetic number, because the mean of its divisors is an integer number (2030567278824).

Almost surely, 2^{61368255526368} is an apocalyptic number.

61368255526368 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61368255526368 is an abundant number, since it is smaller than the sum of its proper divisors (133566203240736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61368255526368 is a wasteful number, since it uses less digits than its factorization.

61368255526368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371871144 (or 5371871136 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 66.

The spelling of 61368255526368 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-six thousand, three hundred sixty-eight".