100536103581 has 8 divisors (see below), whose sum is σ = 134053401504. Its totient is φ = 67021437360.

The previous prime is 100536103573. The next prime is 100536103609. The reversal of 100536103581 is 185301635001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100536103581 - 2³ = 100536103573 is a prime.

It is a super-2 number, since 2×100536103581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100536103501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566991 + ... + 722876.

It is an arithmetic number, because the mean of its divisors is an integer number (16756675188).

Almost surely, 2^100536103581 is an apocalyptic number.

It is an amenable number.

100536103581 is a deficient number, since it is larger than the sum of its proper divisors (33517297923).

100536103581 is a wasteful number, since it uses less digits than its factorization.

100536103581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315851.

The product of its (nonzero) digits is 10800, while the sum is 33.

Adding to 100536103581 its reverse (185301635001), we get a palindrome (285837738582).

The spelling of 100536103581 in words is "one hundred billion, five hundred thirty-six million, one hundred three thousand, five hundred eighty-one".