61203156210 has 96 divisors (see below), whose sum is σ = 182053422720. Its totient is φ = 13974476544.

The previous prime is 61203156199. The next prime is 61203156221. The reversal of 61203156210 is 1265130216.

61203156210 is a `hidden beast` number, since 6 + 1 + 2 + 0 + 31 + 5 + 621 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (61203156199) and next prime (61203156221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 549421 + ... + 651359.

It is an arithmetic number, because the mean of its divisors is an integer number (1896389820).

Almost surely, 2^61203156210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61203156210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91026711360).

61203156210 is an abundant number, since it is smaller than the sum of its proper divisors (120850266510).

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

61203156210 is a wasteful number, since it uses less digits than its factorization.

61203156210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102912 (or 102909 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 61203156210 its reverse (1265130216), we get a palindrome (62468286426).

The spelling of 61203156210 in words is "sixty-one billion, two hundred three million, one hundred fifty-six thousand, two hundred ten".