1156333948 has 96 divisors (see below), whose sum is σ = 2726438400. Its totient is φ = 423924480.

The previous prime is 1156333933. The next prime is 1156333949. The reversal of 1156333948 is 8493336511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156333949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254311 + ... + 258817.

It is an arithmetic number, because the mean of its divisors is an integer number (28400400).

Almost surely, 2^1156333948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156333948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363219200).

1156333948 is an abundant number, since it is smaller than the sum of its proper divisors (1570104452).

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

1156333948 is a wasteful number, since it uses less digits than its factorization.

1156333948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560 (or 4544 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 1156333948 is about 34004.9106453759. The cubic root of 1156333948 is about 1049.6095140589.

The spelling of 1156333948 in words is "one billion, one hundred fifty-six million, three hundred thirty-three thousand, nine hundred forty-eight".