1150515001 has 4 divisors (see below), whose sum is σ = 1218192372. Its totient is φ = 1082837632.

The previous prime is 1150514983. The next prime is 1150515013. The reversal of 1150515001 is 1005150511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1005150511 = 269 ⋅3736619.

It can be written as a sum of positive squares in 2 ways, for example, as 573554601 + 576960400 = 23949^2 + 24020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150515001 - 2⁵ = 1150514969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1150515001.

It is not an unprimeable number, because it can be changed into a prime (1150515031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33838660 + ... + 33838693.

It is an arithmetic number, because the mean of its divisors is an integer number (304548093).

Almost surely, 2^1150515001 is an apocalyptic number.

It is an amenable number.

1150515001 is a deficient number, since it is larger than the sum of its proper divisors (67677371).

1150515001 is an equidigital number, since it uses as much as digits as its factorization.

1150515001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67677370.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 1150515001 is about 33919.2423411845. The cubic root of 1150515001 is about 1047.8459243729.

Adding to 1150515001 its reverse (1005150511), we get a palindrome (2155665512).

The spelling of 1150515001 in words is "one billion, one hundred fifty million, five hundred fifteen thousand, one".