61530551201060 has 12 divisors (see below), whose sum is σ = 129214157522268. Its totient is φ = 24612220480416.

The previous prime is 61530551201059. The next prime is 61530551201089. The reversal of 61530551201060 is 6010215503516.

It can be written as a sum of positive squares in 2 ways, for example, as 7279430633764 + 54251120567296 = 2698042^2 + 7365536^2 .

It is a super-2 number, since 2×61530551201060² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61530551201060.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538263780007 + ... + 1538263780046.

It is an arithmetic number, because the mean of its divisors is an integer number (10767846460189).

Almost surely, 2^{61530551201060} is an apocalyptic number.

It is an amenable number.

61530551201060 is an abundant number, since it is smaller than the sum of its proper divisors (67683606321208).

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

61530551201060 is a wasteful number, since it uses less digits than its factorization.

61530551201060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076527560062 (or 3076527560060 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 61530551201060 its reverse (6010215503516), we get a palindrome (67540766704576).

The spelling of 61530551201060 in words is "sixty-one trillion, five hundred thirty billion, five hundred fifty-one million, two hundred one thousand, sixty".