1154005051 has 2 divisors, whose sum is σ = 1154005052. Its totient is φ = 1154005050.

The previous prime is 1154005049. The next prime is 1154005079. The reversal of 1154005051 is 1505004511.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1505004511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154005051 - 2¹ = 1154005049 is a prime.

Together with 1154005049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1154005031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577002525 + 577002526.

It is an arithmetic number, because the mean of its divisors is an integer number (577002526).

Almost surely, 2^1154005051 is an apocalyptic number.

1154005051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154005051 is an equidigital number, since it uses as much as digits as its factorization.

1154005051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1154005051 is about 33970.6498465955. The cubic root of 1154005051 is about 1048.9043903794.

Adding to 1154005051 its reverse (1505004511), we get a palindrome (2659009562).

The spelling of 1154005051 in words is "one billion, one hundred fifty-four million, five thousand, fifty-one".