61550432601245 has 32 divisors (see below), whose sum is σ = 86792305178880. Its totient is φ = 41023522920960.

The previous prime is 61550432601239. The next prime is 61550432601283. The reversal of 61550432601245 is 54210623405516.

It is not a de Polignac number, because 61550432601245 - 2⁶ = 61550432601181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61550432601196 and 61550432601205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79339427 + ... + 80111456.

It is an arithmetic number, because the mean of its divisors is an integer number (2712259536840).

Almost surely, 2^{61550432601245} is an apocalyptic number.

It is an amenable number.

61550432601245 is a deficient number, since it is larger than the sum of its proper divisors (25241872577635).

61550432601245 is a wasteful number, since it uses less digits than its factorization.

61550432601245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159451205.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 61550432601245 in words is "sixty-one trillion, five hundred fifty billion, four hundred thirty-two million, six hundred one thousand, two hundred forty-five".