2051611165200 has 60 divisors (see below), whose sum is σ = 6571994436368. Its totient is φ = 547096310400.

The previous prime is 2051611165187. The next prime is 2051611165211. The reversal of 2051611165200 is 25611161502.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 854836786 + ... + 854839185.

Almost surely, 2^{2051611165200} is an apocalyptic number.

2051611165200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051611165200 is an abundant number, since it is smaller than the sum of its proper divisors (4520383271168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051611165200 is a wasteful number, since it uses less digits than its factorization.

2051611165200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709675992 (or 1709675981 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 2051611165200 in words is "two trillion, fifty-one billion, six hundred eleven million, one hundred sixty-five thousand, two hundred".