1150378518249 has 15 divisors (see below), whose sum is σ = 1718481095463. Its totient is φ = 766912576824.

The previous prime is 1150378518227. The next prime is 1150378518259. The reversal of 1150378518249 is 9428158730511.

The square root of 1150378518249 is 1072557.

It is a perfect power (a square), and thus also a powerful number.

1150378518249 is a `hidden beast` number, since 1 + 1 + 50 + 3 + 78 + 518 + 2 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1066665512025 + 83713006224 = 1032795^2 + 289332^2 .

It is not a de Polignac number, because 1150378518249 - 2¹¹ = 1150378516201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1150378518195 and 1150378518204.

It is not an unprimeable number, because it can be changed into a prime (1150378518259) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9593427 + ... + 9712599.

Almost surely, 2^{1150378518249} is an apocalyptic number.

1150378518249 is the 1072557-th square number.

1150378518249 is the 536279-th centered octagonal number.

It is an amenable number.

1150378518249 is a deficient number, since it is larger than the sum of its proper divisors (568102577214).

1150378518249 is an frugal number, since it uses more digits than its factorization.

1150378518249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238358 (or 119176 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 1150378518249 in words is "one trillion, one hundred fifty billion, three hundred seventy-eight million, five hundred eighteen thousand, two hundred forty-nine".