1551324530413 has 4 divisors (see below), whose sum is σ = 1772942320480. Its totient is φ = 1329706740348.

The previous prime is 1551324530401. The next prime is 1551324530453. The reversal of 1551324530413 is 3140354231551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1551324530413 - 2¹³ = 1551324522221 is a prime.

It is a super-2 number, since 2×1551324530413² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551324530453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110808895023 + ... + 110808895036.

It is an arithmetic number, because the mean of its divisors is an integer number (443235580120).

Almost surely, 2^{1551324530413} is an apocalyptic number.

It is an amenable number.

1551324530413 is a deficient number, since it is larger than the sum of its proper divisors (221617790067).

1551324530413 is an equidigital number, since it uses as much as digits as its factorization.

1551324530413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221617790066.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 1551324530413 its reverse (3140354231551), we get a palindrome (4691678761964).

The spelling of 1551324530413 in words is "one trillion, five hundred fifty-one billion, three hundred twenty-four million, five hundred thirty thousand, four hundred thirteen".