1151500550 has 12 divisors (see below), whose sum is σ = 2141791116. Its totient is φ = 460600200.

The previous prime is 1151500547. The next prime is 1151500573. The reversal of 1151500550 is 550051511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11514956 + ... + 11515055.

It is an arithmetic number, because the mean of its divisors is an integer number (178482593).

Almost surely, 2^1151500550 is an apocalyptic number.

1151500550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151500550 is a deficient number, since it is larger than the sum of its proper divisors (990290566).

1151500550 is a wasteful number, since it uses less digits than its factorization.

1151500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23030023 (or 23030018 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 1151500550 is about 33933.7671059374. The cubic root of 1151500550 is about 1048.1450393390.

The spelling of 1151500550 in words is "one billion, one hundred fifty-one million, five hundred thousand, five hundred fifty".