100055510051 has 4 divisors (see below), whose sum is σ = 114349154352. Its totient is φ = 85761865752.

The previous prime is 100055510021. The next prime is 100055510081. The reversal of 100055510051 is 150015550001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150015550001 = 241597 ⋅620933.

It is an interprime number because it is at equal distance from previous prime (100055510021) and next prime (100055510081).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100055510051 is a prime.

It is a super-3 number, since 3×100055510051³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100055509999 and 100055510026.

It is not an unprimeable number, because it can be changed into a prime (100055510011) 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, 7146822140 + ... + 7146822153.

It is an arithmetic number, because the mean of its divisors is an integer number (28587288588).

Almost surely, 2^100055510051 is an apocalyptic number.

100055510051 is a deficient number, since it is larger than the sum of its proper divisors (14293644301).

100055510051 is an equidigital number, since it uses as much as digits as its factorization.

100055510051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14293644300.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 100055510051 in words is "one hundred billion, fifty-five million, five hundred ten thousand, fifty-one".