551005610001 has 48 divisors (see below), whose sum is σ = 932441188608. Its totient is φ = 286197559200.

The previous prime is 551005609993. The next prime is 551005610009. The reversal of 551005610001 is 100016500155.

It is an interprime number because it is at equal distance from previous prime (551005609993) and next prime (551005610009).

It is not a de Polignac number, because 551005610001 - 2³ = 551005609993 is a prime.

It is a super-2 number, since 2×551005610001² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (551005610009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14681406 + ... + 14718888.

It is an arithmetic number, because the mean of its divisors is an integer number (19425858096).

Almost surely, 2^551005610001 is an apocalyptic number.

It is an amenable number.

551005610001 is a deficient number, since it is larger than the sum of its proper divisors (381435578607).

551005610001 is a wasteful number, since it uses less digits than its factorization.

551005610001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46602 (or 46595 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 551005610001 in words is "five hundred fifty-one billion, five million, six hundred ten thousand, one".