46278665551 has 4 divisors (see below), whose sum is σ = 46711176552. Its totient is φ = 45846154552.

The previous prime is 46278665527. The next prime is 46278665567. The reversal of 46278665551 is 15556687264.

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 46278665551 - 2⁵ = 46278665519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46278665492 and 46278665501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46278663551) 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 3 ways as a sum of consecutive naturals, for example, 216255340 + ... + 216255553.

It is an arithmetic number, because the mean of its divisors is an integer number (11677794138).

Almost surely, 2^46278665551 is an apocalyptic number.

46278665551 is a deficient number, since it is larger than the sum of its proper divisors (432511001).

46278665551 is a wasteful number, since it uses less digits than its factorization.

46278665551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432511000.

The product of its digits is 12096000, while the sum is 55.

The spelling of 46278665551 in words is "forty-six billion, two hundred seventy-eight million, six hundred sixty-five thousand, five hundred fifty-one".