61325856287 has 8 divisors (see below), whose sum is σ = 66033824400. Its totient is φ = 56740173184.

The previous prime is 61325856269. The next prime is 61325856307. The reversal of 61325856287 is 78265852316.

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 61325856287 - 2¹⁰ = 61325855263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61325856187) 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, 30570212 + ... + 30572217.

It is an arithmetic number, because the mean of its divisors is an integer number (8254228050).

Almost surely, 2^61325856287 is an apocalyptic number.

61325856287 is a deficient number, since it is larger than the sum of its proper divisors (4707968113).

61325856287 is a wasteful number, since it uses less digits than its factorization.

61325856287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61142505.

The product of its digits is 4838400, while the sum is 53.

The spelling of 61325856287 in words is "sixty-one billion, three hundred twenty-five million, eight hundred fifty-six thousand, two hundred eighty-seven".