1151202521 has 12 divisors (see below), whose sum is σ = 1346645520. Its totient is φ = 981225000.

The previous prime is 1151202511. The next prime is 1151202523. The reversal of 1151202521 is 1252021511.

It is not a de Polignac number, because 1151202521 - 2¹⁴ = 1151186137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151202493 and 1151202502.

It is not an unprimeable number, because it can be changed into a prime (1151202523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56855 + ... + 74396.

It is an arithmetic number, because the mean of its divisors is an integer number (112220460).

Almost surely, 2^1151202521 is an apocalyptic number.

It is an amenable number.

1151202521 is a deficient number, since it is larger than the sum of its proper divisors (195442999).

1151202521 is a wasteful number, since it uses less digits than its factorization.

1151202521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131444 (or 131437 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1151202521 is about 33929.3754879161. The cubic root of 1151202521 is about 1048.0546052900.

The spelling of 1151202521 in words is "one billion, one hundred fifty-one million, two hundred two thousand, five hundred twenty-one".