100106005100551 has 4 divisors (see below), whose sum is σ = 101994797649672. Its totient is φ = 98217212551432.

The previous prime is 100106005100539. The next prime is 100106005100561. The reversal of 100106005100551 is 155001500601001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100106005100551 - 2²¹ = 100106003003399 is a prime.

It is a super-3 number, since 3×100106005100551³ (a number of 43 digits) contains 333 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 (100106005100561) 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, 944396274481 + ... + 944396274586.

It is an arithmetic number, because the mean of its divisors is an integer number (25498699412418).

Almost surely, 2^{100106005100551} is an apocalyptic number.

100106005100551 is a deficient number, since it is larger than the sum of its proper divisors (1888792549121).

100106005100551 is an equidigital number, since it uses as much as digits as its factorization.

100106005100551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888792549120.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 100106005100551 its reverse (155001500601001), we get a palindrome (255107505701552).

It can be divided in two parts, 10010600 and 5100551, that added together give a palindrome (15111151).

The spelling of 100106005100551 in words is "one hundred trillion, one hundred six billion, five million, one hundred thousand, five hundred fifty-one".