2151220052704 has 48 divisors (see below), whose sum is σ = 4288417499520. Its totient is φ = 1062111310720.

The previous prime is 2151220052677. The next prime is 2151220052711. The reversal of 2151220052704 is 4072500221512.

It is a happy number.

It is a super-3 number, since 3×2151220052704³ (a number of 38 digits) contains 333 as substring.

It is a congruent 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, 5051589 + ... + 5460859.

It is an arithmetic number, because the mean of its divisors is an integer number (89342031240).

Almost surely, 2^{2151220052704} is an apocalyptic number.

It is an amenable number.

2151220052704 is a deficient number, since it is larger than the sum of its proper divisors (2137197446816).

2151220052704 is a wasteful number, since it uses less digits than its factorization.

2151220052704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411343 (or 411335 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 2151220052704 in words is "two trillion, one hundred fifty-one billion, two hundred twenty million, fifty-two thousand, seven hundred four".