61062646425 has 24 divisors (see below), whose sum is σ = 110134811040. Its totient is φ = 29606131200.

The previous prime is 61062646283. The next prime is 61062646427. The reversal of 61062646425 is 52464626016.

It is not a de Polignac number, because 61062646425 - 2⁹ = 61062645913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61062646427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37006840 + ... + 37008489.

It is an arithmetic number, because the mean of its divisors is an integer number (4588950460).

Almost surely, 2^61062646425 is an apocalyptic number.

It is an amenable number.

61062646425 is a deficient number, since it is larger than the sum of its proper divisors (49072164615).

61062646425 is a wasteful number, since it uses less digits than its factorization.

61062646425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74015353 (or 74015348 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 61062646425 in words is "sixty-one billion, sixty-two million, six hundred forty-six thousand, four hundred twenty-five".