2152124551 has 2 divisors, whose sum is σ = 2152124552. Its totient is φ = 2152124550.

The previous prime is 2152124543. The next prime is 2152124581. The reversal of 2152124551 is 1554212512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2152124551 - 2³ = 2152124543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152124581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076062275 + 1076062276.

It is an arithmetic number, because the mean of its divisors is an integer number (1076062276).

Almost surely, 2^2152124551 is an apocalyptic number.

2152124551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152124551 is an equidigital number, since it uses as much as digits as its factorization.

2152124551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000, while the sum is 28.

The square root of 2152124551 is about 46390.9964432755. The cubic root of 2152124551 is about 1291.0878692635.

The spelling of 2152124551 in words is "two billion, one hundred fifty-two million, one hundred twenty-four thousand, five hundred fifty-one".