551131154 has 16 divisors (see below), whose sum is σ = 960811200. Its totient is φ = 232195344.

The previous prime is 551131127. The next prime is 551131223. The reversal of 551131154 is 451131155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332789 + ... + 334440.

It is an arithmetic number, because the mean of its divisors is an integer number (60050700).

Almost surely, 2^551131154 is an apocalyptic number.

551131154 is a deficient number, since it is larger than the sum of its proper divisors (409680046).

551131154 is a wasteful number, since it uses less digits than its factorization.

551131154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667297.

The product of its digits is 1500, while the sum is 26.

The square root of 551131154 is about 23476.1826965118. The cubic root of 551131154 is about 819.8825699379.

Subtracting from 551131154 its reverse (451131155), we obtain a palindrome (99999999).

The spelling of 551131154 in words is "five hundred fifty-one million, one hundred thirty-one thousand, one hundred fifty-four".