1151515533 has 48 divisors (see below), whose sum is σ = 1855518720. Its totient is φ = 632880864.

The previous prime is 1151515513. The next prime is 1151515537. The reversal of 1151515533 is 3355151511.

It is not a de Polignac number, because 1151515533 - 2¹³ = 1151507341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1151515533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151515537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422148 + ... + 424866.

It is an arithmetic number, because the mean of its divisors is an integer number (38656640).

Almost surely, 2^1151515533 is an apocalyptic number.

It is an amenable number.

1151515533 is a deficient number, since it is larger than the sum of its proper divisors (704003187).

1151515533 is a wasteful number, since it uses less digits than its factorization.

1151515533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2839 counting only the distinct ones).

The product of its digits is 5625, while the sum is 30.

The square root of 1151515533 is about 33933.9878735170. The cubic root of 1151515533 is about 1048.1495853750.

The spelling of 1151515533 in words is "one billion, one hundred fifty-one million, five hundred fifteen thousand, five hundred thirty-three".