1151054553 has 16 divisors (see below), whose sum is σ = 1674878400. Its totient is φ = 697351680.

The previous prime is 1151054551. The next prime is 1151054563. The reversal of 1151054553 is 3554501511.

It is not a de Polignac number, because 1151054553 - 2¹ = 1151054551 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151054553.

It is not an unprimeable number, because it can be changed into a prime (1151054551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123853 + ... + 132821.

It is an arithmetic number, because the mean of its divisors is an integer number (104679900).

Almost surely, 2^1151054553 is an apocalyptic number.

It is an amenable number.

1151054553 is a deficient number, since it is larger than the sum of its proper divisors (523823847).

1151054553 is a wasteful number, since it uses less digits than its factorization.

1151054553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12872.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1151054553 is about 33927.1948884667. The cubic root of 1151054553 is about 1048.0097000175.

The spelling of 1151054553 in words is "one billion, one hundred fifty-one million, fifty-four thousand, five hundred fifty-three".