1275606322651 has 8 divisors (see below), whose sum is σ = 1325405938320. Its totient is φ = 1226194253088.

The previous prime is 1275606322637. The next prime is 1275606322657. The reversal of 1275606322651 is 1562236065721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1275606322651 - 2⁹ = 1275606322139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275606322657) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 96879816 + ... + 96892981.

It is an arithmetic number, because the mean of its divisors is an integer number (165675742290).

Almost surely, 2^{1275606322651} is an apocalyptic number.

1275606322651 is a deficient number, since it is larger than the sum of its proper divisors (49799615669).

1275606322651 is a wasteful number, since it uses less digits than its factorization.

1275606322651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193773053.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1275606322651 in words is "one trillion, two hundred seventy-five billion, six hundred six million, three hundred twenty-two thousand, six hundred fifty-one".