1129461745257 has 64 divisors (see below), whose sum is σ = 1804508928000. Its totient is φ = 696590496000.

The previous prime is 1129461745253. The next prime is 1129461745273. The reversal of 1129461745257 is 7525471649211.

1129461745257 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 46 + 1 + 74 + 525 + 7 = 666.

It is not a de Polignac number, because 1129461745257 - 2² = 1129461745253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129461745253) 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 63 ways as a sum of consecutive naturals, for example, 2221219 + ... + 2681927.

It is an arithmetic number, because the mean of its divisors is an integer number (28195452000).

Almost surely, 2^{1129461745257} is an apocalyptic number.

It is an amenable number.

1129461745257 is a deficient number, since it is larger than the sum of its proper divisors (675047182743).

1129461745257 is a wasteful number, since it uses less digits than its factorization.

1129461745257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460879 (or 460873 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 1129461745257 in words is "one trillion, one hundred twenty-nine billion, four hundred sixty-one million, seven hundred forty-five thousand, two hundred fifty-seven".