61368255526369 has 8 divisors (see below), whose sum is σ = 67539640838112. Its totient is φ = 55295612379840.

The previous prime is 61368255526363. The next prime is 61368255526373. The reversal of 61368255526369 is 96362555286316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61368255526369 - 2¹¹ = 61368255524321 is a prime.

It is a super-2 number, since 2×61368255526369² (a number of 28 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 24685539999 + ... + 24685542484.

It is an arithmetic number, because the mean of its divisors is an integer number (8442455104764).

Almost surely, 2^{61368255526369} is an apocalyptic number.

It is an amenable number.

61368255526369 is a deficient number, since it is larger than the sum of its proper divisors (6171385311743).

61368255526369 is a wasteful number, since it uses less digits than its factorization.

61368255526369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49371082607.

The product of its digits is 419904000, while the sum is 67.

The spelling of 61368255526369 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-six thousand, three hundred sixty-nine".