5020421431154 has 4 divisors (see below), whose sum is σ = 7530632146734. Its totient is φ = 2510210715576.

The previous prime is 5020421431147. The next prime is 5020421431171. The reversal of 5020421431154 is 4511341240205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3226790690929 + 1793630740225 = 1796327^2 + 1339265^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5020421431154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255105357787 + ... + 1255105357790.

Almost surely, 2^{5020421431154} is an apocalyptic number.

5020421431154 is a deficient number, since it is larger than the sum of its proper divisors (2510210715580).

5020421431154 is a wasteful number, since it uses less digits than its factorization.

5020421431154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510210715579.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 5020421431154 its reverse (4511341240205), we get a palindrome (9531762671359).

The spelling of 5020421431154 in words is "five trillion, twenty billion, four hundred twenty-one million, four hundred thirty-one thousand, one hundred fifty-four".