5021420232451 has 32 divisors (see below), whose sum is σ = 5943041298432. Its totient is φ = 4151785006080.

The previous prime is 5021420232431. The next prime is 5021420232473. The reversal of 5021420232451 is 1542320241205.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5021420232451 - 2¹⁵ = 5021420199683 is a prime.

It is a super-2 number, since 2×5021420232451² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (5021420232431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96862200 + ... + 96914026.

It is an arithmetic number, because the mean of its divisors is an integer number (185720040576).

Almost surely, 2^{5021420232451} is an apocalyptic number.

5021420232451 is a deficient number, since it is larger than the sum of its proper divisors (921621065981).

5021420232451 is a wasteful number, since it uses less digits than its factorization.

5021420232451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53299.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 5021420232451 its reverse (1542320241205), we get a palindrome (6563740473656).

The spelling of 5021420232451 in words is "five trillion, twenty-one billion, four hundred twenty million, two hundred thirty-two thousand, four hundred fifty-one".