1151310545 has 32 divisors (see below), whose sum is σ = 1764516096. Its totient is φ = 700185600.

The previous prime is 1151310541. The next prime is 1151310547. The reversal of 1151310545 is 5450131511.

It is not a de Polignac number, because 1151310545 - 2² = 1151310541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151310541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20684 + ... + 52253.

It is an arithmetic number, because the mean of its divisors is an integer number (55141128).

Almost surely, 2^1151310545 is an apocalyptic number.

It is an amenable number.

1151310545 is a deficient number, since it is larger than the sum of its proper divisors (613205551).

1151310545 is a wasteful number, since it uses less digits than its factorization.

1151310545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73001.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1151310545 is about 33930.9673454796. The cubic root of 1151310545 is about 1048.0873859426.

The spelling of 1151310545 in words is "one billion, one hundred fifty-one million, three hundred ten thousand, five hundred forty-five".