4202115551 has 2 divisors, whose sum is σ = 4202115552. Its totient is φ = 4202115550.

The previous prime is 4202115517. The next prime is 4202115583. The reversal of 4202115551 is 1555112024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4202115551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4202115551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4202117551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101057775 + 2101057776.

It is an arithmetic number, because the mean of its divisors is an integer number (2101057776).

Almost surely, 2^4202115551 is an apocalyptic number.

4202115551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202115551 is an equidigital number, since it uses as much as digits as its factorization.

4202115551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 4202115551 is about 64823.7267595747. The cubic root of 4202115551 is about 1613.6994966318.

Adding to 4202115551 its reverse (1555112024), we get a palindrome (5757227575).

The spelling of 4202115551 in words is "four billion, two hundred two million, one hundred fifteen thousand, five hundred fifty-one".