100133281568 has 12 divisors (see below), whose sum is σ = 197137398150. Its totient is φ = 50066640768.

The previous prime is 100133281553. The next prime is 100133281571. The reversal of 100133281568 is 865182331001.

It can be written as a sum of positive squares in only one way, i.e., 97586262544 + 2547019024 = 312388^2 + 50468^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564582493 + ... + 1564582556.

Almost surely, 2^100133281568 is an apocalyptic number.

It is an amenable number.

100133281568 is a deficient number, since it is larger than the sum of its proper divisors (97004116582).

100133281568 is an equidigital number, since it uses as much as digits as its factorization.

100133281568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129165059 (or 3129165051 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 100133281568 in words is "one hundred billion, one hundred thirty-three million, two hundred eighty-one thousand, five hundred sixty-eight".