61562130555 has 32 divisors (see below), whose sum is σ = 102244313088. Its totient is φ = 31607740800.

The previous prime is 61562130541. The next prime is 61562130557. The reversal of 61562130555 is 55503126516.

It is not a de Polignac number, because 61562130555 - 2²⁷ = 61427912827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61562130557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672751 + ... + 758760.

It is an arithmetic number, because the mean of its divisors is an integer number (3195134784).

Almost surely, 2^61562130555 is an apocalyptic number.

61562130555 is a deficient number, since it is larger than the sum of its proper divisors (40682182533).

61562130555 is a wasteful number, since it uses less digits than its factorization.

61562130555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431627.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 61562130555 in words is "sixty-one billion, five hundred sixty-two million, one hundred thirty thousand, five hundred fifty-five".