1156133598257 has 16 divisors (see below), whose sum is σ = 1341258652800. Its totient is φ = 984885507840.

The previous prime is 1156133598241. The next prime is 1156133598299. The reversal of 1156133598257 is 7528953316511.

It is a cyclic number.

It is not a de Polignac number, because 1156133598257 - 2⁴ = 1156133598241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156133598457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13456157 + ... + 13541802.

It is an arithmetic number, because the mean of its divisors is an integer number (83828665800).

Almost surely, 2^{1156133598257} is an apocalyptic number.

1156133598257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1156133598257 is a deficient number, since it is larger than the sum of its proper divisors (185125054543).

1156133598257 is a wasteful number, since it uses less digits than its factorization.

1156133598257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26998216.

The product of its digits is 6804000, while the sum is 56.

The spelling of 1156133598257 in words is "one trillion, one hundred fifty-six billion, one hundred thirty-three million, five hundred ninety-eight thousand, two hundred fifty-seven".