132557081004491 has 32 divisors (see below), whose sum is σ = 156848827800000. Its totient is φ = 110439680532480.

The previous prime is 132557081004473. The next prime is 132557081004533. The reversal of 132557081004491 is 194400180755231.

It is not a de Polignac number, because 132557081004491 - 2³⁴ = 132539901135307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132557081003491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25677695 + ... + 30404903.

It is an arithmetic number, because the mean of its divisors is an integer number (4901525868750).

Almost surely, 2^{132557081004491} is an apocalyptic number.

132557081004491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132557081004491 is a deficient number, since it is larger than the sum of its proper divisors (24291746795509).

132557081004491 is a wasteful number, since it uses less digits than its factorization.

132557081004491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728639.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 132557081004491 in words is "one hundred thirty-two trillion, five hundred fifty-seven billion, eighty-one million, four thousand, four hundred ninety-one".