61213524358 has 64 divisors (see below), whose sum is σ = 110432931840. Its totient is φ = 24895641600.

The previous prime is 61213524353. The next prime is 61213524377. The reversal of 61213524358 is 85342531216.

It is a self number, because there is not a number n which added to its sum of digits gives 61213524358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61213524353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11084638 + ... + 11090158.

It is an arithmetic number, because the mean of its divisors is an integer number (1725514560).

Almost surely, 2^61213524358 is an apocalyptic number.

61213524358 is a deficient number, since it is larger than the sum of its proper divisors (49219407482).

61213524358 is a wasteful number, since it uses less digits than its factorization.

61213524358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053.

The product of its digits is 172800, while the sum is 40.

The spelling of 61213524358 in words is "sixty-one billion, two hundred thirteen million, five hundred twenty-four thousand, three hundred fifty-eight".