61541332502101 has 16 divisors (see below), whose sum is σ = 65327074283520. Its totient is φ = 57848753583280.

The previous prime is 61541332502057. The next prime is 61541332502183. The reversal of 61541332502101 is 10120523314516.

It is a cyclic number.

It is not a de Polignac number, because 61541332502101 - 2¹⁹ = 61541331977813 is a prime.

It is a super-2 number, since 2×61541332502101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61541332502501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3398785 + ... + 11603206.

It is an arithmetic number, because the mean of its divisors is an integer number (4082942142720).

Almost surely, 2^{61541332502101} is an apocalyptic number.

It is an amenable number.

61541332502101 is a deficient number, since it is larger than the sum of its proper divisors (3785741781419).

61541332502101 is a wasteful number, since it uses less digits than its factorization.

61541332502101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005096.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 61541332502101 its reverse (10120523314516), we get a palindrome (71661855816617).

The spelling of 61541332502101 in words is "sixty-one trillion, five hundred forty-one billion, three hundred thirty-two million, five hundred two thousand, one hundred one".