61855011230 has 16 divisors (see below), whose sum is σ = 111552732144. Its totient is φ = 24694512960.

The previous prime is 61855011227. The next prime is 61855011269. The reversal of 61855011230 is 3211055816.

It is a super-2 number, since 2×61855011230² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5930972 + ... + 5941391.

It is an arithmetic number, because the mean of its divisors is an integer number (6972045759).

Almost surely, 2^61855011230 is an apocalyptic number.

61855011230 is a deficient number, since it is larger than the sum of its proper divisors (49697720914).

61855011230 is a wasteful number, since it uses less digits than its factorization.

61855011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872891.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 61855011230 in words is "sixty-one billion, eight hundred fifty-five million, eleven thousand, two hundred thirty".