61416063421325 has 24 divisors (see below), whose sum is σ = 77692125454920. Its totient is φ = 48147738105600.

The previous prime is 61416063421319. The next prime is 61416063421331. The reversal of 61416063421325 is 52312436061416.

It is an interprime number because it is at equal distance from previous prime (61416063421319) and next prime (61416063421331).

It can be written as a sum of positive squares in 12 ways, for example, as 36453229597801 + 24962833823524 = 6037651^2 + 4996282^2 .

It is not a de Polignac number, because 61416063421325 - 2¹² = 61416063417229 is a prime.

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, 74446334 + ... + 75266783.

It is an arithmetic number, because the mean of its divisors is an integer number (3237171893955).

Almost surely, 2^{61416063421325} is an apocalyptic number.

It is an amenable number.

61416063421325 is a deficient number, since it is larger than the sum of its proper divisors (16276062033595).

61416063421325 is a wasteful number, since it uses less digits than its factorization.

61416063421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149713457 (or 149713452 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 61416063421325 in words is "sixty-one trillion, four hundred sixteen billion, sixty-three million, four hundred twenty-one thousand, three hundred twenty-five".