1154061315 has 48 divisors (see below), whose sum is σ = 2185387776. Its totient is φ = 558734400.

The previous prime is 1154061289. The next prime is 1154061323. The reversal of 1154061315 is 5131604511.

1154061315 is a `hidden beast` number, since 1 + 1 + 5 + 40 + 613 + 1 + 5 = 666.

It is not a de Polignac number, because 1154061315 - 2⁷ = 1154061187 is a prime.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 477460 + ... + 479870.

It is an arithmetic number, because the mean of its divisors is an integer number (45528912).

Almost surely, 2^1154061315 is an apocalyptic number.

1154061315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1154061315 is a deficient number, since it is larger than the sum of its proper divisors (1031326461).

1154061315 is a wasteful number, since it uses less digits than its factorization.

1154061315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1154061315 is about 33971.4779631384. The cubic root of 1154061315 is about 1048.9214366934.

Adding to 1154061315 its reverse (5131604511), we get a palindrome (6285665826).

The spelling of 1154061315 in words is "one billion, one hundred fifty-four million, sixty-one thousand, three hundred fifteen".