61453355254353 has 12 divisors (see below), whose sum is σ = 89225884833540. Its totient is φ = 40756629390336.

The previous prime is 61453355254349. The next prime is 61453355254457. The reversal of 61453355254353 is 35345255335416.

61453355254353 is a `hidden beast` number, since 6 + 1 + 4 + 5 + 3 + 3 + 552 + 54 + 35 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13910565117969 + 47542790136384 = 3729687^2 + 6895128^2 .

It is not a de Polignac number, because 61453355254353 - 2² = 61453355254349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61453355254353.

It is not an unprimeable number, because it can be changed into a prime (61453355254153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17689507548 + ... + 17689511021.

It is an arithmetic number, because the mean of its divisors is an integer number (7435490402795).

Almost surely, 2^{61453355254353} is an apocalyptic number.

It is an amenable number.

61453355254353 is a deficient number, since it is larger than the sum of its proper divisors (27772529579187).

61453355254353 is a wasteful number, since it uses less digits than its factorization.

61453355254353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35379018768 (or 35379018765 counting only the distinct ones).

The product of its digits is 48600000, while the sum is 54.

The spelling of 61453355254353 in words is "sixty-one trillion, four hundred fifty-three billion, three hundred fifty-five million, two hundred fifty-four thousand, three hundred fifty-three".