61202432261 has 8 divisors (see below), whose sum is σ = 61300736064. Its totient is φ = 61104203680.

The previous prime is 61202432243. The next prime is 61202432311. The reversal of 61202432261 is 16223420216.

61202432261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61202432261 - 2³⁰ = 60128690437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61202432231) 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, 1739201 + ... + 1774041.

It is an arithmetic number, because the mean of its divisors is an integer number (7662592008).

Almost surely, 2^61202432261 is an apocalyptic number.

It is an amenable number.

61202432261 is a deficient number, since it is larger than the sum of its proper divisors (98303803).

61202432261 is a wasteful number, since it uses less digits than its factorization.

61202432261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37611.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 61202432261 its reverse (16223420216), we get a palindrome (77425852477).

The spelling of 61202432261 in words is "sixty-one billion, two hundred two million, four hundred thirty-two thousand, two hundred sixty-one".