61368255523011 has 8 divisors (see below), whose sum is σ = 81825113260224. Its totient is φ = 40911784067240.

The previous prime is 61368255523009. The next prime is 61368255523033. The reversal of 61368255523011 is 11032555286316.

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 61368255523011 - 2¹ = 61368255523009 is a prime.

It is a super-2 number, since 2×61368255523011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61368255523111) 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, 96199461 + ... + 96835286.

It is an arithmetic number, because the mean of its divisors is an integer number (10228139157528).

Almost surely, 2^{61368255523011} is an apocalyptic number.

61368255523011 is a deficient number, since it is larger than the sum of its proper divisors (20456857737213).

61368255523011 is a wasteful number, since it uses less digits than its factorization.

61368255523011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193140721.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 61368255523011 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-three thousand, eleven".