61405452356336 has 40 divisors (see below), whose sum is σ = 129791814909744. Its totient is φ = 27910920245760.

The previous prime is 61405452356309. The next prime is 61405452356341. The reversal of 61405452356336 is 63365325450416.

61405452356336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575036 + ... + 11644388.

Almost surely, 2^{61405452356336} is an apocalyptic number.

It is an amenable number.

61405452356336 is an abundant number, since it is smaller than the sum of its proper divisors (68386362553408).

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

61405452356336 is a wasteful number, since it uses less digits than its factorization.

61405452356336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112609 (or 8112603 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 53.

The spelling of 61405452356336 in words is "sixty-one trillion, four hundred five billion, four hundred fifty-two million, three hundred fifty-six thousand, three hundred thirty-six".