100780007533 has 4 divisors (see below), whose sum is σ = 101383480800. Its totient is φ = 100176534268.

The previous prime is 100780007521. The next prime is 100780007551. The reversal of 100780007533 is 335700087001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100780007533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100780008533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301736383 + ... + 301736716.

It is an arithmetic number, because the mean of its divisors is an integer number (25345870200).

Almost surely, 2^100780007533 is an apocalyptic number.

It is an amenable number.

100780007533 is a deficient number, since it is larger than the sum of its proper divisors (603473267).

100780007533 is an equidigital number, since it uses as much as digits as its factorization.

100780007533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603473266.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 100780007533 in words is "one hundred billion, seven hundred eighty million, seven thousand, five hundred thirty-three".