3551504711138 has 8 divisors (see below), whose sum is σ = 5327449462620. Its totient is φ = 1775688223600.

The previous prime is 3551504711137. The next prime is 3551504711149. The reversal of 3551504711138 is 8311174051553.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3492462028969 + 59042682169 = 1868813^2 + 242987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3551504711138² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551504711137) 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, 31996733 + ... + 32107536.

Almost surely, 2^{3551504711138} is an apocalyptic number.

3551504711138 is a deficient number, since it is larger than the sum of its proper divisors (1775944751482).

3551504711138 is a wasteful number, since it uses less digits than its factorization.

3551504711138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64131972.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 3551504711138 in words is "three trillion, five hundred fifty-one billion, five hundred four million, seven hundred eleven thousand, one hundred thirty-eight".