61007455485 has 24 divisors (see below), whose sum is σ = 109157428224. Its totient is φ = 31487718240.

The previous prime is 61007455459. The next prime is 61007455499. The reversal of 61007455485 is 58455470016.

61007455485 is a `hidden beast` number, since 6 + 10 + 0 + 7 + 4 + 554 + 85 = 666.

It is not a de Polignac number, because 61007455485 - 2⁹ = 61007454973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61007455485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21865077 + ... + 21867866.

It is an arithmetic number, because the mean of its divisors is an integer number (4548226176).

Almost surely, 2^61007455485 is an apocalyptic number.

It is an amenable number.

61007455485 is a deficient number, since it is larger than the sum of its proper divisors (48149972739).

61007455485 is a wasteful number, since it uses less digits than its factorization.

61007455485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43732985 (or 43732982 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 61007455485 in words is "sixty-one billion, seven million, four hundred fifty-five thousand, four hundred eighty-five".