1951335082225 has 12 divisors (see below), whose sum is σ = 2497708906240. Its totient is φ = 1510711030800.

The previous prime is 1951335082157. The next prime is 1951335082243. The reversal of 1951335082225 is 5222805331591.

It is a de Polignac number, because none of the positive numbers 2^k-1951335082225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258925085 + ... + 1258926634.

Almost surely, 2^{1951335082225} is an apocalyptic number.

It is an amenable number.

1951335082225 is a deficient number, since it is larger than the sum of its proper divisors (546373824015).

1951335082225 is a wasteful number, since it uses less digits than its factorization.

1951335082225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517851760 (or 2517851755 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 1951335082225 in words is "one trillion, nine hundred fifty-one billion, three hundred thirty-five million, eighty-two thousand, two hundred twenty-five".