61025563440207 has 8 divisors (see below), whose sum is σ = 90408242133680. Its totient is φ = 40683708960120.

The previous prime is 61025563440203. The next prime is 61025563440299. The reversal of 61025563440207 is 70204436552016.

61025563440207 is a `hidden beast` number, since 6 + 1 + 0 + 2 + 5 + 5 + 634 + 4 + 0 + 2 + 0 + 7 = 666.

It is not a de Polignac number, because 61025563440207 - 2² = 61025563440203 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 (61025563440203) 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, 1130103026644 + ... + 1130103026697.

It is an arithmetic number, because the mean of its divisors is an integer number (11301030266710).

Almost surely, 2^{61025563440207} is an apocalyptic number.

61025563440207 is a deficient number, since it is larger than the sum of its proper divisors (29382678693473).

61025563440207 is a wasteful number, since it uses less digits than its factorization.

61025563440207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260206053350 (or 2260206053344 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 61025563440207 in words is "sixty-one trillion, twenty-five billion, five hundred sixty-three million, four hundred forty thousand, two hundred seven".