61663531501141 has 8 divisors (see below), whose sum is σ = 61764382674720. Its totient is φ = 61562684306832.

The previous prime is 61663531501127. The next prime is 61663531501151. The reversal of 61663531501141 is 14110513536616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61663531501141 - 2⁵ = 61663531501109 is a prime.

It is a super-2 number, since 2×61663531501141² (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 (61663531501151) 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, 30855846 + ... + 32793448.

It is an arithmetic number, because the mean of its divisors is an integer number (7720547834340).

Almost surely, 2^{61663531501141} is an apocalyptic number.

It is an amenable number.

61663531501141 is a deficient number, since it is larger than the sum of its proper divisors (100851173579).

61663531501141 is a wasteful number, since it uses less digits than its factorization.

61663531501141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989635.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 61663531501141 in words is "sixty-one trillion, six hundred sixty-three billion, five hundred thirty-one million, five hundred one thousand, one hundred forty-one".