51341621402501 has 8 divisors (see below), whose sum is σ = 52537263624384. Its totient is φ = 50146054227360.

The previous prime is 51341621402459. The next prime is 51341621402507. The reversal of 51341621402501 is 10520412614315.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51341621402501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51341621402507) 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, 17376320 + ... + 20115161.

It is an arithmetic number, because the mean of its divisors is an integer number (6567157953048).

Almost surely, 2^{51341621402501} is an apocalyptic number.

It is an amenable number.

51341621402501 is a deficient number, since it is larger than the sum of its proper divisors (1195642221883).

51341621402501 is a wasteful number, since it uses less digits than its factorization.

51341621402501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37523371.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 51341621402501 in words is "fifty-one trillion, three hundred forty-one billion, six hundred twenty-one million, four hundred two thousand, five hundred one".