2156501536652 has 6 divisors (see below), whose sum is σ = 3773877689148. Its totient is φ = 1078250768324.

The previous prime is 2156501536619. The next prime is 2156501536703. The reversal of 2156501536652 is 2566351056512.

It is a junction number, because it is equal to n+sod(n) for n = 2156501536597 and 2156501536606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269562692078 + ... + 269562692085.

It is an arithmetic number, because the mean of its divisors is an integer number (628979614858).

Almost surely, 2^{2156501536652} is an apocalyptic number.

It is an amenable number.

2156501536652 is a deficient number, since it is larger than the sum of its proper divisors (1617376152496).

2156501536652 is a wasteful number, since it uses less digits than its factorization.

2156501536652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539125384167 (or 539125384165 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 2156501536652 in words is "two trillion, one hundred fifty-six billion, five hundred one million, five hundred thirty-six thousand, six hundred fifty-two".