61005537741 has 8 divisors (see below), whose sum is σ = 81352054080. Its totient is φ = 40664689952.

The previous prime is 61005537739. The next prime is 61005537743. The reversal of 61005537741 is 14773550016.

61005537741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61005537739) and next prime (61005537743).

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 61005537741 - 2¹ = 61005537739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61005537741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61005537743) 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, 1391961 + ... + 1435118.

It is an arithmetic number, because the mean of its divisors is an integer number (10169006760).

Almost surely, 2^61005537741 is an apocalyptic number.

It is an amenable number.

61005537741 is a deficient number, since it is larger than the sum of its proper divisors (20346516339).

61005537741 is a wasteful number, since it uses less digits than its factorization.

61005537741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834275.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 61005537741 in words is "sixty-one billion, five million, five hundred thirty-seven thousand, seven hundred forty-one".