100495432117081 has 9 divisors (see below), whose sum is σ = 102018432818421. Its totient is φ = 98994838661532.

The previous prime is 100495432117051. The next prime is 100495432117111. The reversal of 100495432117081 is 180711234594001.

The square root of 100495432117081 is 10024741.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (100495432117051) and next prime (100495432117111).

It is not a de Polignac number, because 100495432117081 - 2⁴³ = 91699339094873 is a prime.

It is a super-2 number, since 2×100495432117081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100495432117001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 671582836 + ... + 671732458.

It is an arithmetic number, because the mean of its divisors is an integer number (11335381424269).

Almost surely, 2^{100495432117081} is an apocalyptic number.

100495432117081 is the 10024741-st square number.

100495432117081 is the 5012371-st centered octagonal number.

It is an amenable number.

100495432117081 is a deficient number, since it is larger than the sum of its proper divisors (1523000701340).

100495432117081 is an frugal number, since it uses more digits than its factorization.

100495432117081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299380 (or 149690 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 100495432117081 in words is "one hundred trillion, four hundred ninety-five billion, four hundred thirty-two million, one hundred seventeen thousand, eighty-one".