1157081656219 has 4 divisors (see below), whose sum is σ = 1157096530296. Its totient is φ = 1157066782144.

The previous prime is 1157081656217. The next prime is 1157081656303. The reversal of 1157081656219 is 9126561807511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1157081656219 - 2¹ = 1157081656217 is a prime.

It is a super-2 number, since 2×1157081656219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157081656217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7319734 + ... + 7476139.

It is an arithmetic number, because the mean of its divisors is an integer number (289274132574).

Almost surely, 2^{1157081656219} is an apocalyptic number.

1157081656219 is a deficient number, since it is larger than the sum of its proper divisors (14874077).

1157081656219 is an equidigital number, since it uses as much as digits as its factorization.

1157081656219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14874076.

The product of its (nonzero) digits is 907200, while the sum is 52.

The spelling of 1157081656219 in words is "one trillion, one hundred fifty-seven billion, eighty-one million, six hundred fifty-six thousand, two hundred nineteen".