61325851227 has 8 divisors (see below), whose sum is σ = 81801725760. Its totient is φ = 40866938760.

The previous prime is 61325851219. The next prime is 61325851247. The reversal of 61325851227 is 72215852316.

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

It is not a de Polignac number, because 61325851227 - 2³ = 61325851219 is a prime.

It is a super-2 number, since 2×61325851227² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61325851207) 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, 4232077 + ... + 4246542.

It is an arithmetic number, because the mean of its divisors is an integer number (10225215720).

Almost surely, 2^61325851227 is an apocalyptic number.

61325851227 is a deficient number, since it is larger than the sum of its proper divisors (20475874533).

61325851227 is a wasteful number, since it uses less digits than its factorization.

61325851227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481033.

The product of its digits is 201600, while the sum is 42.

The spelling of 61325851227 in words is "sixty-one billion, three hundred twenty-five million, eight hundred fifty-one thousand, two hundred twenty-seven".