1151043525 has 18 divisors (see below), whose sum is σ = 2061647250. Its totient is φ = 613889760.

The previous prime is 1151043473. The next prime is 1151043589. The reversal of 1151043525 is 5253401511.

It can be written as a sum of positive squares in 3 ways, for example, as 3663396 + 1147380129 = 1914^2 + 33873^2 .

It is not a de Polignac number, because 1151043525 - 2²⁰ = 1149994949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2557650 + ... + 2558099.

Almost surely, 2^1151043525 is an apocalyptic number.

1151043525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151043525 is a deficient number, since it is larger than the sum of its proper divisors (910603725).

1151043525 is a wasteful number, since it uses less digits than its factorization.

1151043525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115765 (or 5115757 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1151043525 is about 33927.0323635888. The cubic root of 1151043525 is about 1048.0063530902.

The spelling of 1151043525 in words is "one billion, one hundred fifty-one million, forty-three thousand, five hundred twenty-five".