61368255526389 has 16 divisors (see below), whose sum is σ = 93520919754240. Its totient is φ = 35064804265200.

The previous prime is 61368255526373. The next prime is 61368255526393. The reversal of 61368255526389 is 98362555286316.

It is not a de Polignac number, because 61368255526389 - 2⁴ = 61368255526373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61368255526349) 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, 115157887 + ... + 115689564.

It is an arithmetic number, because the mean of its divisors is an integer number (5845057484640).

Almost surely, 2^{61368255526389} is an apocalyptic number.

It is an amenable number.

61368255526389 is a deficient number, since it is larger than the sum of its proper divisors (32152664227851).

61368255526389 is a wasteful number, since it uses less digits than its factorization.

61368255526389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230860120.

The product of its digits is 559872000, while the sum is 69.

The spelling of 61368255526389 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-six thousand, three hundred eighty-nine".