5651261161207 has 4 divisors (see below), whose sum is σ = 5896968168240. Its totient is φ = 5405554154176.

The previous prime is 5651261161199. The next prime is 5651261161229. The reversal of 5651261161207 is 7021611621565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5651261161207 - 2³ = 5651261161199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651261161807) 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, 122853503482 + ... + 122853503527.

It is an arithmetic number, because the mean of its divisors is an integer number (1474242042060).

Almost surely, 2^{5651261161207} is an apocalyptic number.

5651261161207 is a deficient number, since it is larger than the sum of its proper divisors (245707007033).

5651261161207 is a wasteful number, since it uses less digits than its factorization.

5651261161207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245707007032.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 5651261161207 in words is "five trillion, six hundred fifty-one billion, two hundred sixty-one million, one hundred sixty-one thousand, two hundred seven".