275312772651 has 16 divisors (see below), whose sum is σ = 441604448000. Its totient is φ = 149041500768.

The previous prime is 275312772599. The next prime is 275312772661. The reversal of 275312772651 is 156277213572.

It is not a de Polignac number, because 275312772651 - 2²⁶ = 275245663787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275312772651.

It is not an unprimeable number, because it can be changed into a prime (275312772661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345003076 + ... + 345003873.

It is an arithmetic number, because the mean of its divisors is an integer number (27600278000).

Almost surely, 2^275312772651 is an apocalyptic number.

275312772651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

275312772651 is a deficient number, since it is larger than the sum of its proper divisors (166291675349).

275312772651 is a wasteful number, since it uses less digits than its factorization.

275312772651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690006978.

The product of its digits is 1234800, while the sum is 48.

The spelling of 275312772651 in words is "two hundred seventy-five billion, three hundred twelve million, seven hundred seventy-two thousand, six hundred fifty-one".