551505262102 has 64 divisors (see below), whose sum is σ = 893496225600. Its totient is φ = 254389579776.

The previous prime is 551505262069. The next prime is 551505262127. The reversal of 551505262102 is 201262505155.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150149338 + ... + 150153010.

It is an arithmetic number, because the mean of its divisors is an integer number (13960878525).

Almost surely, 2^551505262102 is an apocalyptic number.

551505262102 is a deficient number, since it is larger than the sum of its proper divisors (341990963498).

551505262102 is a wasteful number, since it uses less digits than its factorization.

551505262102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 551505262102 its reverse (201262505155), we get a palindrome (752767767257).

The spelling of 551505262102 in words is "five hundred fifty-one billion, five hundred five million, two hundred sixty-two thousand, one hundred two".