61203143636112 has 40 divisors (see below), whose sum is σ = 158108563931040. Its totient is φ = 20400990734080.

The previous prime is 61203143636111. The next prime is 61203143636183. The reversal of 61203143636112 is 21163634130216.

It is not an unprimeable number, because it can be changed into a prime (61203143636111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17727187 + ... + 20896397.

It is an arithmetic number, because the mean of its divisors is an integer number (3952714098276).

Almost surely, 2^{61203143636112} is an apocalyptic number.

It is an amenable number.

61203143636112 is an abundant number, since it is smaller than the sum of its proper divisors (96905420294928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61203143636112 is a wasteful number, since it uses less digits than its factorization.

61203143636112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571551 (or 3571545 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

Adding to 61203143636112 its reverse (21163634130216), we get a palindrome (82366777766328).

The spelling of 61203143636112 in words is "sixty-one trillion, two hundred three billion, one hundred forty-three million, six hundred thirty-six thousand, one hundred twelve".