1151051531 has 8 divisors (see below), whose sum is σ = 1315960320. Its totient is φ = 986260968.

The previous prime is 1151051527. The next prime is 1151051533. The reversal of 1151051531 is 1351501511.

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

It is not a de Polignac number, because 1151051531 - 2² = 1151051527 is a prime.

It is a super-2 number, since 2×1151051531² = 2649839254034887922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151051497 and 1151051506.

It is not an unprimeable number, because it can be changed into a prime (1151051533) 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, 7601 + ... + 48578.

It is an arithmetic number, because the mean of its divisors is an integer number (164495040).

Almost surely, 2^1151051531 is an apocalyptic number.

1151051531 is a deficient number, since it is larger than the sum of its proper divisors (164908789).

1151051531 is an equidigital number, since it uses as much as digits as its factorization.

1151051531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59113.

The product of its (nonzero) digits is 375, while the sum is 23.

The square root of 1151051531 is about 33927.1503518937. The cubic root of 1151051531 is about 1048.0087828620.

The spelling of 1151051531 in words is "one billion, one hundred fifty-one million, fifty-one thousand, five hundred thirty-one".