2131747155305 has 16 divisors (see below), whose sum is σ = 2568413836800. Its totient is φ = 1698520224000.

The previous prime is 2131747155287. The next prime is 2131747155311. The reversal of 2131747155305 is 5035517471312.

It is not a de Polignac number, because 2131747155305 - 2¹⁸ = 2131746893161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45556961 + ... + 45603729.

It is an arithmetic number, because the mean of its divisors is an integer number (160525864800).

Almost surely, 2^{2131747155305} is an apocalyptic number.

It is an amenable number.

2131747155305 is a deficient number, since it is larger than the sum of its proper divisors (436666681495).

2131747155305 is a wasteful number, since it uses less digits than its factorization.

2131747155305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83344.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 2131747155305 in words is "two trillion, one hundred thirty-one billion, seven hundred forty-seven million, one hundred fifty-five thousand, three hundred five".