1158763488 has 48 divisors (see below), whose sum is σ = 3201851520. Its totient is φ = 365924736.

The previous prime is 1158763471. The next prime is 1158763511. The reversal of 1158763488 is 8843678511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-5 number, since 5×1158763488⁵ (a number of 47 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1158763488.

It is a congruent 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, 315820 + ... + 319467.

It is an arithmetic number, because the mean of its divisors is an integer number (66705240).

Almost surely, 2^1158763488 is an apocalyptic number.

It is an amenable number.

1158763488 is an abundant number, since it is smaller than the sum of its proper divisors (2043088032).

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

1158763488 is a wasteful number, since it uses less digits than its factorization.

1158763488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635319 (or 635311 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 1158763488 is about 34040.6152705852. The cubic root of 1158763488 is about 1050.3441012793.

The spelling of 1158763488 in words is "one billion, one hundred fifty-eight million, seven hundred sixty-three thousand, four hundred eighty-eight".