551001010605 has 8 divisors (see below), whose sum is σ = 881601616992. Its totient is φ = 293867205648.

The previous prime is 551001010559. The next prime is 551001010639. The reversal of 551001010605 is 506010100155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551001010605 - 2⁸ = 551001010349 is a prime.

It is a super-2 number, since 2×551001010605² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18366700339 + ... + 18366700368.

It is an arithmetic number, because the mean of its divisors is an integer number (110200202124).

Almost surely, 2^551001010605 is an apocalyptic number.

It is an amenable number.

551001010605 is a deficient number, since it is larger than the sum of its proper divisors (330600606387).

551001010605 is a wasteful number, since it uses less digits than its factorization.

551001010605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36733400715.

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

The spelling of 551001010605 in words is "five hundred fifty-one billion, one million, ten thousand, six hundred five".