3506664131555 has 8 divisors (see below), whose sum is σ = 4531689031632. Its totient is φ = 2589536589408.

The previous prime is 3506664131527. The next prime is 3506664131587. The reversal of 3506664131555 is 5551314666053.

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

It is a cyclic number.

It is not a de Polignac number, because 3506664131555 - 2²⁸ = 3506395696099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26974339409 + ... + 26974339538.

It is an arithmetic number, because the mean of its divisors is an integer number (566461128954).

Almost surely, 2^{3506664131555} is an apocalyptic number.

3506664131555 is a deficient number, since it is larger than the sum of its proper divisors (1025024900077).

3506664131555 is a wasteful number, since it uses less digits than its factorization.

3506664131555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53948678965.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 3506664131555 in words is "three trillion, five hundred six billion, six hundred sixty-four million, one hundred thirty-one thousand, five hundred fifty-five".