1151332550 has 48 divisors (see below), whose sum is σ = 2259565200. Its totient is φ = 435254400.

The previous prime is 1151332541. The next prime is 1151332561. The reversal of 1151332550 is 552331511.

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 23 ways as a sum of consecutive naturals, for example, 482360 + ... + 484740.

It is an arithmetic number, because the mean of its divisors is an integer number (47074275).

Almost surely, 2^1151332550 is an apocalyptic number.

1151332550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151332550 is a deficient number, since it is larger than the sum of its proper divisors (1108232650).

1151332550 is a wasteful number, since it uses less digits than its factorization.

1151332550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1151332550 is about 33931.2916052425. The cubic root of 1151332550 is about 1048.0940632652.

The spelling of 1151332550 in words is "one billion, one hundred fifty-one million, three hundred thirty-two thousand, five hundred fifty".