61775367350552 has 16 divisors (see below), whose sum is σ = 117224341660440. Its totient is φ = 30515542907776.

The previous prime is 61775367350497. The next prime is 61775367350579. The reversal of 61775367350552 is 25505376357716.

It is a super-2 number, since 2×61775367350552² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46517595233 + ... + 46517596560.

Almost surely, 2^{61775367350552} is an apocalyptic number.

It is an amenable number.

61775367350552 is a deficient number, since it is larger than the sum of its proper divisors (55448974309888).

61775367350552 is a wasteful number, since it uses less digits than its factorization.

61775367350552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93035191882 (or 93035191878 counting only the distinct ones).

The product of its (nonzero) digits is 138915000, while the sum is 62.

The spelling of 61775367350552 in words is "sixty-one trillion, seven hundred seventy-five billion, three hundred sixty-seven million, three hundred fifty thousand, five hundred fifty-two".