1151332554 has 16 divisors (see below), whose sum is σ = 2308470048. Its totient is φ = 382810032.

The previous prime is 1151332541. The next prime is 1151332561. The reversal of 1151332554 is 4552331511.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239292 + ... + 244055.

It is an arithmetic number, because the mean of its divisors is an integer number (144279378).

Almost surely, 2^1151332554 is an apocalyptic number.

1151332554 is an abundant number, since it is smaller than the sum of its proper divisors (1157137494).

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

1151332554 is a wasteful number, since it uses less digits than its factorization.

1151332554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483749.

The product of its digits is 9000, while the sum is 30.

The square root of 1151332554 is about 33931.2916641851. The cubic root of 1151332554 is about 1048.0940644790.

The spelling of 1151332554 in words is "one billion, one hundred fifty-one million, three hundred thirty-two thousand, five hundred fifty-four".