21552034151 has 2 divisors, whose sum is σ = 21552034152. Its totient is φ = 21552034150.

The previous prime is 21552034123. The next prime is 21552034157. The reversal of 21552034151 is 15143025512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21552034151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21552034157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10776017075 + 10776017076.

It is an arithmetic number, because the mean of its divisors is an integer number (10776017076).

Almost surely, 2^21552034151 is an apocalyptic number.

21552034151 is a deficient number, since it is larger than the sum of its proper divisors (1).

21552034151 is an equidigital number, since it uses as much as digits as its factorization.

21552034151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 21552034151 its reverse (15143025512), we get a palindrome (36695059663).

The spelling of 21552034151 in words is "twenty-one billion, five hundred fifty-two million, thirty-four thousand, one hundred fifty-one".