5142220551 has 64 divisors (see below), whose sum is σ = 8386761600. Its totient is φ = 3094806528.

The previous prime is 5142220549. The next prime is 5142220583. The reversal of 5142220551 is 1550222415.

5142220551 is a `hidden beast` number, since 51 + 42 + 2 + 20 + 551 = 666.

It is not a de Polignac number, because 5142220551 - 2¹ = 5142220549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142220751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3029335 + ... + 3031031.

It is an arithmetic number, because the mean of its divisors is an integer number (131043150).

Almost surely, 2^5142220551 is an apocalyptic number.

5142220551 is a deficient number, since it is larger than the sum of its proper divisors (3244541049).

5142220551 is a wasteful number, since it uses less digits than its factorization.

5142220551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5142220551 is about 71709.2779980387. The cubic root of 5142220551 is about 1726.0375248017.

Adding to 5142220551 its reverse (1550222415), we get a palindrome (6692442966).

The spelling of 5142220551 in words is "five billion, one hundred forty-two million, two hundred twenty thousand, five hundred fifty-one".