2151085555366 has 16 divisors (see below), whose sum is σ = 3521214961488. Its totient is φ = 977417056000.

The previous prime is 2151085555357. The next prime is 2151085555417. The reversal of 2151085555366 is 6635555801512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17392255 + ... + 17515498.

It is an arithmetic number, because the mean of its divisors is an integer number (220075935093).

Almost surely, 2^{2151085555366} is an apocalyptic number.

2151085555366 is a deficient number, since it is larger than the sum of its proper divisors (1370129406122).

2151085555366 is a wasteful number, since it uses less digits than its factorization.

2151085555366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34910567.

The product of its (nonzero) digits is 5400000, while the sum is 52.

The spelling of 2151085555366 in words is "two trillion, one hundred fifty-one billion, eighty-five million, five hundred fifty-five thousand, three hundred sixty-six".