2135907551 has 2 divisors, whose sum is σ = 2135907552. Its totient is φ = 2135907550.

The previous prime is 2135907541. The next prime is 2135907559. The reversal of 2135907551 is 1557095312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2135907551 - 2¹⁴ = 2135891167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135907559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067953775 + 1067953776.

It is an arithmetic number, because the mean of its divisors is an integer number (1067953776).

Almost surely, 2^2135907551 is an apocalyptic number.

2135907551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135907551 is an equidigital number, since it uses as much as digits as its factorization.

2135907551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 2135907551 is about 46215.8798574689. The cubic root of 2135907551 is about 1287.8367588132.

The spelling of 2135907551 in words is "two billion, one hundred thirty-five million, nine hundred seven thousand, five hundred fifty-one".