2651551125465 has 24 divisors (see below), whose sum is σ = 4663223800704. Its totient is φ = 1285600544800.

The previous prime is 2651551125427. The next prime is 2651551125473. The reversal of 2651551125465 is 5645211551562.

It is not a de Polignac number, because 2651551125465 - 2⁹ = 2651551124953 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730453041 + ... + 730456670.

It is an arithmetic number, because the mean of its divisors is an integer number (194300991696).

Almost surely, 2^{2651551125465} is an apocalyptic number.

It is an amenable number.

2651551125465 is a deficient number, since it is larger than the sum of its proper divisors (2011672675239).

2651551125465 is a wasteful number, since it uses less digits than its factorization.

2651551125465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460909741 (or 1460909730 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 48.

The spelling of 2651551125465 in words is "two trillion, six hundred fifty-one billion, five hundred fifty-one million, one hundred twenty-five thousand, four hundred sixty-five".