100110645551 has 24 divisors (see below), whose sum is σ = 126638170416. Its totient is φ = 78578760960.

The previous prime is 100110645533. The next prime is 100110645571. The reversal of 100110645551 is 155546011001.

It is not a de Polignac number, because 100110645551 - 2⁶ = 100110645487 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 (100110645571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1593245 + ... + 1654886.

It is an arithmetic number, because the mean of its divisors is an integer number (5276590434).

Almost surely, 2^100110645551 is an apocalyptic number.

100110645551 is a deficient number, since it is larger than the sum of its proper divisors (26527524865).

100110645551 is a wasteful number, since it uses less digits than its factorization.

100110645551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248199 (or 3248192 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 100110645551 its reverse (155546011001), we get a palindrome (255656656552).

The spelling of 100110645551 in words is "one hundred billion, one hundred ten million, six hundred forty-five thousand, five hundred fifty-one".