61368255523059 has 4 divisors (see below), whose sum is σ = 81824340697416. Its totient is φ = 40912170348704.

The previous prime is 61368255523033. The next prime is 61368255523111. The reversal of 61368255523059 is 95032555286316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61368255523059 - 2²⁴ = 61368238745843 is a prime.

It is a super-2 number, since 2×61368255523059² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61368255522993 and 61368255523011.

It is not an unprimeable number, because it can be changed into a prime (61368255523009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10228042587174 + ... + 10228042587179.

It is an arithmetic number, because the mean of its divisors is an integer number (20456085174354).

Almost surely, 2^{61368255523059} is an apocalyptic number.

61368255523059 is a deficient number, since it is larger than the sum of its proper divisors (20456085174357).

61368255523059 is a wasteful number, since it uses less digits than its factorization.

61368255523059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20456085174356.

The product of its (nonzero) digits is 58320000, while the sum is 60.

The spelling of 61368255523059 in words is "sixty-one trillion, three hundred sixty-eight billion, two hundred fifty-five million, five hundred twenty-three thousand, fifty-nine".