104021053545 has 32 divisors (see below), whose sum is σ = 166919235840. Its totient is φ = 55316229120.

The previous prime is 104021053541. The next prime is 104021053571. The reversal of 104021053545 is 545350120401.

It is not a de Polignac number, because 104021053545 - 2² = 104021053541 is a prime.

It is a super-2 number, since 2×104021053545² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104021053541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11024980 + ... + 11034410.

It is an arithmetic number, because the mean of its divisors is an integer number (5216226120).

Almost surely, 2^104021053545 is an apocalyptic number.

104021053545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104021053545 is a deficient number, since it is larger than the sum of its proper divisors (62898182295).

104021053545 is a wasteful number, since it uses less digits than its factorization.

104021053545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 104021053545 its reverse (545350120401), we get a palindrome (649371173946).

The spelling of 104021053545 in words is "one hundred four billion, twenty-one million, fifty-three thousand, five hundred forty-five".