51241036230661 has 8 divisors (see below), whose sum is σ = 53941284002880. Its totient is φ = 48541123571328.

The previous prime is 51241036230647. The next prime is 51241036230691. The reversal of 51241036230661 is 16603263014215.

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 51241036230661 - 2⁹ = 51241036230149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51241036230691) 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, 83464321 + ... + 84076006.

It is an arithmetic number, because the mean of its divisors is an integer number (6742660500360).

Almost surely, 2^{51241036230661} is an apocalyptic number.

It is an amenable number.

51241036230661 is a deficient number, since it is larger than the sum of its proper divisors (2700247772219).

51241036230661 is a wasteful number, since it uses less digits than its factorization.

51241036230661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167556443.

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 51241036230661 its reverse (16603263014215), we get a palindrome (67844299244876).

The spelling of 51241036230661 in words is "fifty-one trillion, two hundred forty-one billion, thirty-six million, two hundred thirty thousand, six hundred sixty-one".