5551100051001 has 16 divisors (see below), whose sum is σ = 7791190871040. Its totient is φ = 3505879962000.

The previous prime is 5551100050997. The next prime is 5551100051099. The reversal of 5551100051001 is 1001500011555.

It is not a de Polignac number, because 5551100051001 - 2² = 5551100050997 is a prime.

It is a super-2 number, since 2×5551100051001² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5551100053001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558876 + ... + 3678626.

It is an arithmetic number, because the mean of its divisors is an integer number (486949429440).

Almost surely, 2^{5551100051001} is an apocalyptic number.

It is an amenable number.

5551100051001 is a deficient number, since it is larger than the sum of its proper divisors (2240090820039).

5551100051001 is a wasteful number, since it uses less digits than its factorization.

5551100051001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165716.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 5551100051001 its reverse (1001500011555), we get a palindrome (6552600062556).

The spelling of 5551100051001 in words is "five trillion, five hundred fifty-one billion, one hundred million, fifty-one thousand, one".