50115402132421 has 8 divisors (see below), whose sum is σ = 50784330079224. Its totient is φ = 49449861163200.

The previous prime is 50115402132403. The next prime is 50115402132427. The reversal of 50115402132421 is 12423120451105.

It can be written as a sum of positive squares in 4 ways, for example, as 31617566702500 + 18497835429921 = 5622950^2 + 4300911^2 .

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 50115402132421 - 2⁹ = 50115402131909 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 (50115402132427) 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, 846714606 + ... + 846773791.

It is an arithmetic number, because the mean of its divisors is an integer number (6348041259903).

Almost surely, 2^{50115402132421} is an apocalyptic number.

It is an amenable number.

50115402132421 is a deficient number, since it is larger than the sum of its proper divisors (668927946803).

50115402132421 is a wasteful number, since it uses less digits than its factorization.

50115402132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693488791.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 50115402132421 its reverse (12423120451105), we get a palindrome (62538522583526).

The spelling of 50115402132421 in words is "fifty trillion, one hundred fifteen billion, four hundred two million, one hundred thirty-two thousand, four hundred twenty-one".