2151145204216 has 16 divisors (see below), whose sum is σ = 4033418925600. Its totient is φ = 1075566824064.

The previous prime is 2151145204207. The next prime is 2151145204237. The reversal of 2151145204216 is 6124025411512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143520 + ... + 2368528.

It is an arithmetic number, because the mean of its divisors is an integer number (252088682850).

Almost surely, 2^{2151145204216} is an apocalyptic number.

It is an amenable number.

2151145204216 is a deficient number, since it is larger than the sum of its proper divisors (1882273721384).

2151145204216 is a wasteful number, since it uses less digits than its factorization.

2151145204216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444518 (or 1444514 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 2151145204216 in words is "two trillion, one hundred fifty-one billion, one hundred forty-five million, two hundred four thousand, two hundred sixteen".