2155211200662 has 48 divisors (see below), whose sum is σ = 4680500993280. Its totient is φ = 661294604256.

The previous prime is 2155211200657. The next prime is 2155211200697. The reversal of 2155211200662 is 2660021125512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2596218 + ... + 3324269.

It is an arithmetic number, because the mean of its divisors is an integer number (97510437360).

Almost surely, 2^{2155211200662} is an apocalyptic number.

2155211200662 is an abundant number, since it is smaller than the sum of its proper divisors (2525289792618).

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

2155211200662 is a wasteful number, since it uses less digits than its factorization.

2155211200662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920877 (or 5920864 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 2155211200662 in words is "two trillion, one hundred fifty-five billion, two hundred eleven million, two hundred thousand, six hundred sixty-two".