61425266252416 has 32 divisors (see below), whose sum is σ = 133495251943680. Its totient is φ = 27920575568640.

The previous prime is 61425266252401. The next prime is 61425266252423.

61425266252416 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21812948256 + ... + 21812951071.

It is an arithmetic number, because the mean of its divisors is an integer number (4171726623240).

Almost surely, 2^{61425266252416} is an apocalyptic number.

It is an amenable number.

61425266252416 is an abundant number, since it is smaller than the sum of its proper divisors (72069985691264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61425266252416 is a wasteful number, since it uses less digits than its factorization.

61425266252416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43625899352 (or 43625899340 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The spelling of 61425266252416 in words is "sixty-one trillion, four hundred twenty-five billion, two hundred sixty-six million, two hundred fifty-two thousand, four hundred sixteen".