1157147791567 has 8 divisors (see below), whose sum is σ = 1225316260656. Its totient is φ = 1088990539392.

The previous prime is 1157147791483. The next prime is 1157147791571. The reversal of 1157147791567 is 7651977417511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157147791567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157147791867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591368 + ... + 3004909.

It is an arithmetic number, because the mean of its divisors is an integer number (153164532582).

Almost surely, 2^{1157147791567} is an apocalyptic number.

1157147791567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1157147791567 is a deficient number, since it is larger than the sum of its proper divisors (68168469089).

1157147791567 is a wasteful number, since it uses less digits than its factorization.

1157147791567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608457.

The product of its digits is 12965400, while the sum is 61.

The spelling of 1157147791567 in words is "one trillion, one hundred fifty-seven billion, one hundred forty-seven million, seven hundred ninety-one thousand, five hundred sixty-seven".