1154135551 has 2 divisors, whose sum is σ = 1154135552. Its totient is φ = 1154135550.

The previous prime is 1154135537. The next prime is 1154135573. The reversal of 1154135551 is 1555314511.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1555314511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154135551 - 2⁵ = 1154135519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154135581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577067775 + 577067776.

It is an arithmetic number, because the mean of its divisors is an integer number (577067776).

Almost surely, 2^1154135551 is an apocalyptic number.

1154135551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154135551 is an equidigital number, since it uses as much as digits as its factorization.

1154135551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7500, while the sum is 31.

The square root of 1154135551 is about 33972.5705680333. The cubic root of 1154135551 is about 1048.9439271397.

The spelling of 1154135551 in words is "one billion, one hundred fifty-four million, one hundred thirty-five thousand, five hundred fifty-one".