1150020544 has 28 divisors (see below), whose sum is σ = 2304241264. Its totient is φ = 569424384.

The previous prime is 1150020541. The next prime is 1150020551. The reversal of 1150020544 is 4450200511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150020541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80637 + ... + 93820.

Almost surely, 2^1150020544 is an apocalyptic number.

It is an amenable number.

1150020544 is an abundant number, since it is smaller than the sum of its proper divisors (1154220720).

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

1150020544 is a wasteful number, since it uses less digits than its factorization.

1150020544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174572 (or 174562 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1150020544 is about 33911.9528190283. The cubic root of 1150020544 is about 1047.6957918980.

The spelling of 1150020544 in words is "one billion, one hundred fifty million, twenty thousand, five hundred forty-four".