68292255261 has 4 divisors (see below), whose sum is σ = 91056340352. Its totient is φ = 45528170172.

The previous prime is 68292255259. The next prime is 68292255263. The reversal of 68292255261 is 16255229286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68292255259) and next prime (68292255263).

It is not a de Polignac number, because 68292255261 - 2¹ = 68292255259 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 68292255261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68292255263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11382042541 + ... + 11382042546.

It is an arithmetic number, because the mean of its divisors is an integer number (22764085088).

Almost surely, 2^68292255261 is an apocalyptic number.

It is an amenable number.

68292255261 is a deficient number, since it is larger than the sum of its proper divisors (22764085091).

68292255261 is a wasteful number, since it uses less digits than its factorization.

68292255261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22764085090.

The product of its digits is 1036800, while the sum is 48.

The spelling of 68292255261 in words is "sixty-eight billion, two hundred ninety-two million, two hundred fifty-five thousand, two hundred sixty-one".