551505262101 has 8 divisors (see below), whose sum is σ = 735427477920. Its totient is φ = 367626610512.

The previous prime is 551505262069. The next prime is 551505262127. The reversal of 551505262101 is 101262505155.

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

It is not a de Polignac number, because 551505262101 - 2⁵ = 551505262069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551505262151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10861506 + ... + 10912163.

It is an arithmetic number, because the mean of its divisors is an integer number (91928434740).

Almost surely, 2^551505262101 is an apocalyptic number.

It is an amenable number.

551505262101 is a deficient number, since it is larger than the sum of its proper divisors (183922215819).

551505262101 is a wasteful number, since it uses less digits than its factorization.

551505262101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21782115.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 551505262101 its reverse (101262505155), we get a palindrome (652767767256).

The spelling of 551505262101 in words is "five hundred fifty-one billion, five hundred five million, two hundred sixty-two thousand, one hundred one".