61588155652 has 24 divisors (see below), whose sum is σ = 109451805120. Its totient is φ = 30317437920.

The previous prime is 61588155599. The next prime is 61588155697. The reversal of 61588155652 is 25655188516.

It is a super-2 number, since 2×61588155652² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61588155652.

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 7 ways as a sum of consecutive naturals, for example, 48423 + ... + 354289.

It is an arithmetic number, because the mean of its divisors is an integer number (4560491880).

Almost surely, 2^61588155652 is an apocalyptic number.

It is an amenable number.

61588155652 is a deficient number, since it is larger than the sum of its proper divisors (47863649468).

61588155652 is a wasteful number, since it uses less digits than its factorization.

61588155652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306651 (or 306649 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 52.

The spelling of 61588155652 in words is "sixty-one billion, five hundred eighty-eight million, one hundred fifty-five thousand, six hundred fifty-two".