2156550526135 has 16 divisors (see below), whose sum is σ = 2657872277856. Its totient is φ = 1678568427648.

The previous prime is 2156550526129. The next prime is 2156550526153. The reversal of 2156550526135 is 5316250556512.

It is a cyclic number.

It is not a de Polignac number, because 2156550526135 - 2¹⁷ = 2156550395063 is a prime.

It is a congruent number.

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, 8170489 + ... + 8430301.

It is an arithmetic number, because the mean of its divisors is an integer number (166117017366).

Almost surely, 2^{2156550526135} is an apocalyptic number.

2156550526135 is a deficient number, since it is larger than the sum of its proper divisors (501321751721).

2156550526135 is a wasteful number, since it uses less digits than its factorization.

2156550526135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304722.

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 2156550526135 in words is "two trillion, one hundred fifty-six billion, five hundred fifty million, five hundred twenty-six thousand, one hundred thirty-five".