61453355254325 has 12 divisors (see below), whose sum is σ = 76203416281188. Its totient is φ = 49161874032000.

The previous prime is 61453355254271. The next prime is 61453355254339. The reversal of 61453355254325 is 52345255335416.

It can be written as a sum of positive squares in 6 ways, for example, as 2752367268676 + 58700987985649 = 1659026^2 + 7661657^2 .

It is not a de Polignac number, because 61453355254325 - 2²² = 61453351060021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18704576 + ... + 21743225.

It is an arithmetic number, because the mean of its divisors is an integer number (6350284690099).

Almost surely, 2^{61453355254325} is an apocalyptic number.

It is an amenable number.

61453355254325 is a deficient number, since it is larger than the sum of its proper divisors (14750061026863).

61453355254325 is a wasteful number, since it uses less digits than its factorization.

61453355254325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40508584 (or 40508579 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 53.

The spelling of 61453355254325 in words is "sixty-one trillion, four hundred fifty-three billion, three hundred fifty-five million, two hundred fifty-four thousand, three hundred twenty-five".