61562955555 has 16 divisors (see below), whose sum is σ = 109445254560. Its totient is φ = 32833576224.

The previous prime is 61562955449. The next prime is 61562955647. The reversal of 61562955555 is 55555926516.

61562955555 is a `hidden beast` number, since 6 + 1 + 5 + 629 + 5 + 5 + 5 + 5 + 5 = 666.

It is not a de Polignac number, because 61562955555 - 2⁹ = 61562955043 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228010812 + ... + 228011081.

It is an arithmetic number, because the mean of its divisors is an integer number (6840328410).

Almost surely, 2^61562955555 is an apocalyptic number.

61562955555 is a deficient number, since it is larger than the sum of its proper divisors (47882299005).

61562955555 is a wasteful number, since it uses less digits than its factorization.

61562955555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456021907 (or 456021901 counting only the distinct ones).

The product of its digits is 10125000, while the sum is 54.

The spelling of 61562955555 in words is "sixty-one billion, five hundred sixty-two million, nine hundred fifty-five thousand, five hundred fifty-five".