61306225352201 has 4 divisors (see below), whose sum is σ = 62311245440004. Its totient is φ = 60301205264400.

The previous prime is 61306225352179. The next prime is 61306225352219. The reversal of 61306225352201 is 10225352260316.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4074745960000 + 57231479392201 = 2018600^2 + 7565149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61306225352201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61306225352231) 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, 502510043810 + ... + 502510043931.

It is an arithmetic number, because the mean of its divisors is an integer number (15577811360001).

Almost surely, 2^{61306225352201} is an apocalyptic number.

61306225352201 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61306225352201 is a deficient number, since it is larger than the sum of its proper divisors (1005020087803).

61306225352201 is a wasteful number, since it uses less digits than its factorization.

61306225352201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005020087802.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 61306225352201 in words is "sixty-one trillion, three hundred six billion, two hundred twenty-five million, three hundred fifty-two thousand, two hundred one".