2150051765820 has 48 divisors (see below), whose sum is σ = 6880165651968. Its totient is φ = 491440403520.

The previous prime is 2150051765819. The next prime is 2150051765833. The reversal of 2150051765820 is 285671500512.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2559585016 + ... + 2559585855.

It is an arithmetic number, because the mean of its divisors is an integer number (143336784416).

Almost surely, 2^{2150051765820} is an apocalyptic number.

2150051765820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150051765820 is an abundant number, since it is smaller than the sum of its proper divisors (4730113886148).

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

2150051765820 is a wasteful number, since it uses less digits than its factorization.

2150051765820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119170890 (or 5119170888 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 2150051765820 in words is "two trillion, one hundred fifty billion, fifty-one million, seven hundred sixty-five thousand, eight hundred twenty".