5551115413 has 4 divisors (see below), whose sum is σ = 5551285600. Its totient is φ = 5550945228.

The previous prime is 5551115399. The next prime is 5551115429. The reversal of 5551115413 is 3145111555.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551115413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551115443) 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, 19113 + ... + 107086.

It is an arithmetic number, because the mean of its divisors is an integer number (1387821400).

Almost surely, 2^5551115413 is an apocalyptic number.

It is an amenable number.

5551115413 is a deficient number, since it is larger than the sum of its proper divisors (170187).

5551115413 is a wasteful number, since it uses less digits than its factorization.

5551115413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170186.

The product of its digits is 7500, while the sum is 31.

The square root of 5551115413 is about 74505.8079145512. The cubic root of 5551115413 is about 1770.6256539940.

Adding to 5551115413 its reverse (3145111555), we get a palindrome (8696226968).

The spelling of 5551115413 in words is "five billion, five hundred fifty-one million, one hundred fifteen thousand, four hundred thirteen".