1151500660 has 36 divisors (see below), whose sum is σ = 2458601964. Its totient is φ = 453020160.

The previous prime is 1151500633. The next prime is 1151500687. The reversal of 1151500660 is 660051511.

It is an interprime number because it is at equal distance from previous prime (1151500633) and next prime (1151500687).

It can be written as a sum of positive squares in 6 ways, for example, as 493372944 + 658127716 = 22212^2 + 25654^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66684 + ... + 82156.

It is an arithmetic number, because the mean of its divisors is an integer number (68294499).

Almost surely, 2^1151500660 is an apocalyptic number.

1151500660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151500660 is an abundant number, since it is smaller than the sum of its proper divisors (1307101304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151500660 is a wasteful number, since it uses less digits than its factorization.

1151500660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15604 (or 15541 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1151500660 is about 33933.7687267418. The cubic root of 1151500660 is about 1048.1450727145.

The spelling of 1151500660 in words is "one billion, one hundred fifty-one million, five hundred thousand, six hundred sixty".