2150155646380 has 48 divisors (see below), whose sum is σ = 5257739108160. Its totient is φ = 723286856448.

The previous prime is 2150155646341. The next prime is 2150155646459. The reversal of 2150155646380 is 836465510512.

It is a self number, because there is not a number n which added to its sum of digits gives 2150155646380.

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, 144881775 + ... + 144896614.

It is an arithmetic number, because the mean of its divisors is an integer number (109536231420).

Almost surely, 2^{2150155646380} is an apocalyptic number.

2150155646380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150155646380 is an abundant number, since it is smaller than the sum of its proper divisors (3107583461780).

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

2150155646380 is a wasteful number, since it uses less digits than its factorization.

2150155646380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289778458 (or 289778456 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 2150155646380 in words is "two trillion, one hundred fifty billion, one hundred fifty-five million, six hundred forty-six thousand, three hundred eighty".