61541332502460 has 24 divisors (see below), whose sum is σ = 172315731007056. Its totient is φ = 16411022000640.

The previous prime is 61541332502437. The next prime is 61541332502477. The reversal of 61541332502460 is 6420523314516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512844437461 + ... + 512844437580.

It is an arithmetic number, because the mean of its divisors is an integer number (7179822125294).

Almost surely, 2^{61541332502460} is an apocalyptic number.

61541332502460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61541332502460 is an abundant number, since it is smaller than the sum of its proper divisors (110774398504596).

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

61541332502460 is a wasteful number, since it uses less digits than its factorization.

61541332502460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025688875053 (or 1025688875051 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 61541332502460 its reverse (6420523314516), we get a palindrome (67961855816976).

The spelling of 61541332502460 in words is "sixty-one trillion, five hundred forty-one billion, three hundred thirty-two million, five hundred two thousand, four hundred sixty".