61189206284 has 48 divisors (see below), whose sum is σ = 113651440896. Its totient is φ = 28774828800.

The previous prime is 61189206283. The next prime is 61189206307. The reversal of 61189206284 is 48260298116.

It is a super-3 number, since 3×61189206284³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61189206283) by changing a digit.

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, 4310222 + ... + 4324394.

It is an arithmetic number, because the mean of its divisors is an integer number (2367738352).

Almost surely, 2^61189206284 is an apocalyptic number.

It is an amenable number.

61189206284 is a deficient number, since it is larger than the sum of its proper divisors (52462234612).

61189206284 is a wasteful number, since it uses less digits than its factorization.

61189206284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186 (or 15184 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 61189206284 in words is "sixty-one billion, one hundred eighty-nine million, two hundred six thousand, two hundred eighty-four".