1151560531 has 8 divisors (see below), whose sum is σ = 1322366400. Its totient is φ = 991774440.

The previous prime is 1151560519. The next prime is 1151560541. The reversal of 1151560531 is 1350651511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151560531 - 2¹¹ = 1151558483 is a prime.

It is a super-2 number, since 2×1151560531² = 2652183313114003922, which contains 22 as substring.

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 1151560531.

It is not an unprimeable number, because it can be changed into a prime (1151560541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2754721 + ... + 2755138.

It is an arithmetic number, because the mean of its divisors is an integer number (165295800).

Almost surely, 2^1151560531 is an apocalyptic number.

1151560531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1151560531 is a deficient number, since it is larger than the sum of its proper divisors (170805869).

1151560531 is a wasteful number, since it uses less digits than its factorization.

1151560531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509889.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 1151560531 is about 33934.6508896143. The cubic root of 1151560531 is about 1048.1632381133.

The spelling of 1151560531 in words is "one billion, one hundred fifty-one million, five hundred sixty thousand, five hundred thirty-one".