1153541262 has 32 divisors (see below), whose sum is σ = 2446012800. Its totient is φ = 361650528.

The previous prime is 1153541251. The next prime is 1153541297. The reversal of 1153541262 is 2621453511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20553 + ... + 52244.

It is an arithmetic number, because the mean of its divisors is an integer number (76437900).

Almost surely, 2^1153541262 is an apocalyptic number.

1153541262 is an abundant number, since it is smaller than the sum of its proper divisors (1292471538).

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

1153541262 is a wasteful number, since it uses less digits than its factorization.

1153541262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72960.

The product of its digits is 7200, while the sum is 30.

The square root of 1153541262 is about 33963.8228413705. The cubic root of 1153541262 is about 1048.7638550318.

Adding to 1153541262 its reverse (2621453511), we get a palindrome (3774994773).

The spelling of 1153541262 in words is "one billion, one hundred fifty-three million, five hundred forty-one thousand, two hundred sixty-two".