5551001000501 has 16 divisors (see below), whose sum is σ = 6328753482240. Its totient is φ = 4819450318320.

The previous prime is 5551001000497. The next prime is 5551001000507. The reversal of 5551001000501 is 1050001001555.

It is a happy number.

It is not a de Polignac number, because 5551001000501 - 2² = 5551001000497 is a prime.

It is a super-2 number, since 2×5551001000501² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551001000507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16898531 + ... + 17223888.

It is an arithmetic number, because the mean of its divisors is an integer number (395547092640).

Almost surely, 2^{5551001000501} is an apocalyptic number.

It is an amenable number.

5551001000501 is a deficient number, since it is larger than the sum of its proper divisors (777752481739).

5551001000501 is a wasteful number, since it uses less digits than its factorization.

5551001000501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34123096.

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

The spelling of 5551001000501 in words is "five trillion, five hundred fifty-one billion, one million, five hundred one", and thus it is an aban number.