46781271772545 has 16 divisors (see below), whose sum is σ = 78789510354240. Its totient is φ = 23636853105984.

The previous prime is 46781271772537. The next prime is 46781271772603. The reversal of 46781271772545 is 54527717218764.

It is not a de Polignac number, because 46781271772545 - 2³ = 46781271772537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82072406334 + ... + 82072406903.

It is an arithmetic number, because the mean of its divisors is an integer number (4924344397140).

Almost surely, 2^{46781271772545} is an apocalyptic number.

It is an amenable number.

46781271772545 is a deficient number, since it is larger than the sum of its proper divisors (32008238581695).

46781271772545 is a wasteful number, since it uses less digits than its factorization.

46781271772545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164144813264.

The product of its digits is 184396800, while the sum is 66.

The spelling of 46781271772545 in words is "forty-six trillion, seven hundred eighty-one billion, two hundred seventy-one million, seven hundred seventy-two thousand, five hundred forty-five".