2154565530332 has 48 divisors (see below), whose sum is σ = 3891650273280. Its totient is φ = 1043113401792.

The previous prime is 2154565530319. The next prime is 2154565530391. The reversal of 2154565530332 is 2330355654512.

It is a happy number.

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, 27856169 + ... + 27933407.

It is an arithmetic number, because the mean of its divisors is an integer number (81076047360).

Almost surely, 2^{2154565530332} is an apocalyptic number.

It is an amenable number.

2154565530332 is a deficient number, since it is larger than the sum of its proper divisors (1737084742948).

2154565530332 is a wasteful number, since it uses less digits than its factorization.

2154565530332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78690 (or 78688 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 44.

The spelling of 2154565530332 in words is "two trillion, one hundred fifty-four billion, five hundred sixty-five million, five hundred thirty thousand, three hundred thirty-two".