1151144551 has 2 divisors, whose sum is σ = 1151144552. Its totient is φ = 1151144550.

The previous prime is 1151144521. The next prime is 1151144557. The reversal of 1151144551 is 1554411511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151144551 - 2²⁵ = 1117590119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151144557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575572275 + 575572276.

It is an arithmetic number, because the mean of its divisors is an integer number (575572276).

Almost surely, 2^1151144551 is an apocalyptic number.

1151144551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151144551 is an equidigital number, since it uses as much as digits as its factorization.

1151144551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000, while the sum is 28.

The square root of 1151144551 is about 33928.5212026696. The cubic root of 1151144551 is about 1048.0370130349.

The spelling of 1151144551 in words is "one billion, one hundred fifty-one million, one hundred forty-four thousand, five hundred fifty-one".