1151050531 has 4 divisors (see below), whose sum is σ = 1177819192. Its totient is φ = 1124281872.

The previous prime is 1151050519. The next prime is 1151050543. The reversal of 1151050531 is 1350501511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1151050519) and next prime (1151050543).

It is a cyclic number.

It is not a de Polignac number, because 1151050531 - 2²⁵ = 1117496099 is a prime.

It is a super-2 number, since 2×1151050531² = 2649834649830763922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1151050561) 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, 13384266 + ... + 13384351.

It is an arithmetic number, because the mean of its divisors is an integer number (294454798).

Almost surely, 2^1151050531 is an apocalyptic number.

1151050531 is a deficient number, since it is larger than the sum of its proper divisors (26768661).

1151050531 is an equidigital number, since it uses as much as digits as its factorization.

1151050531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26768660.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1151050531 is about 33927.1356144311. The cubic root of 1151050531 is about 1048.0084793688.

The spelling of 1151050531 in words is "one billion, one hundred fifty-one million, fifty thousand, five hundred thirty-one".