2151003225266 has 16 divisors (see below), whose sum is σ = 3687467963904. Its totient is φ = 921850059264.

The previous prime is 2151003225223. The next prime is 2151003225307. The reversal of 2151003225266 is 6625223001512.

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, 1018751 + ... + 2310813.

It is an arithmetic number, because the mean of its divisors is an integer number (230466747744).

Almost surely, 2^{2151003225266} is an apocalyptic number.

2151003225266 is a deficient number, since it is larger than the sum of its proper divisors (1536464738638).

2151003225266 is a wasteful number, since it uses less digits than its factorization.

2151003225266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410985.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 2151003225266 its reverse (6625223001512), we get a palindrome (8776226226778).

The spelling of 2151003225266 in words is "two trillion, one hundred fifty-one billion, three million, two hundred twenty-five thousand, two hundred sixty-six".