1156252668 has 12 divisors (see below), whose sum is σ = 2697922920. Its totient is φ = 385417552.

The previous prime is 1156252631. The next prime is 1156252681. The reversal of 1156252668 is 8662526511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48177183 + ... + 48177206.

It is an arithmetic number, because the mean of its divisors is an integer number (224826910).

Almost surely, 2^1156252668 is an apocalyptic number.

It is an amenable number.

1156252668 is an abundant number, since it is smaller than the sum of its proper divisors (1541670252).

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

1156252668 is a wasteful number, since it uses less digits than its factorization.

1156252668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96354396 (or 96354394 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 1156252668 is about 34003.7155028682. The cubic root of 1156252668 is about 1049.5849207424.

The spelling of 1156252668 in words is "one billion, one hundred fifty-six million, two hundred fifty-two thousand, six hundred sixty-eight".