1157567478276 has 96 divisors (see below), whose sum is σ = 3046411984896. Its totient is φ = 338923872000.

The previous prime is 1157567478233. The next prime is 1157567478281. The reversal of 1157567478276 is 6728747657511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2357896 + ... + 2806208.

It is an arithmetic number, because the mean of its divisors is an integer number (31733458176).

Almost surely, 2^{1157567478276} 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 1157567478276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523205992448).

1157567478276 is an abundant number, since it is smaller than the sum of its proper divisors (1888844506620).

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

1157567478276 is a wasteful number, since it uses less digits than its factorization.

1157567478276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448993 (or 448991 counting only the distinct ones).

The product of its digits is 138297600, while the sum is 66.

The spelling of 1157567478276 in words is "one trillion, one hundred fifty-seven billion, five hundred sixty-seven million, four hundred seventy-eight thousand, two hundred seventy-six".