104545021013 has 4 divisors (see below), whose sum is σ = 110047390560. Its totient is φ = 99042651468.

The previous prime is 104545020929. The next prime is 104545021079. The reversal of 104545021013 is 310120545401.

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 not a de Polignac number, because 104545021013 - 2³⁰ = 103471279189 is a prime.

It is a super-2 number, since 2×104545021013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104545021093) 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, 2751184745 + ... + 2751184782.

It is an arithmetic number, because the mean of its divisors is an integer number (27511847640).

Almost surely, 2^104545021013 is an apocalyptic number.

It is an amenable number.

104545021013 is a deficient number, since it is larger than the sum of its proper divisors (5502369547).

104545021013 is an equidigital number, since it uses as much as digits as its factorization.

104545021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502369546.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 104545021013 its reverse (310120545401), we get a palindrome (414665566414).

The spelling of 104545021013 in words is "one hundred four billion, five hundred forty-five million, twenty-one thousand, thirteen".