1551361147 has 16 divisors (see below), whose sum is σ = 1799995392. Its totient is φ = 1309523040.

The previous prime is 1551361127. The next prime is 1551361159. The reversal of 1551361147 is 7411631551.

It is not a de Polignac number, because 1551361147 - 2¹¹ = 1551359099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1551361127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825573 + ... + 827449.

It is an arithmetic number, because the mean of its divisors is an integer number (112499712).

Almost surely, 2^1551361147 is an apocalyptic number.

1551361147 is a deficient number, since it is larger than the sum of its proper divisors (248634245).

1551361147 is a wasteful number, since it uses less digits than its factorization.

1551361147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618.

The product of its digits is 12600, while the sum is 34.

The square root of 1551361147 is about 39387.3221608172. The cubic root of 1551361147 is about 1157.6331911538.

Adding to 1551361147 its reverse (7411631551), we get a palindrome (8962992698).

The spelling of 1551361147 in words is "one billion, five hundred fifty-one million, three hundred sixty-one thousand, one hundred forty-seven".