154639711513 has 16 divisors (see below), whose sum is σ = 177250094080. Its totient is φ = 132159290256.

The previous prime is 154639711511. The next prime is 154639711547. The reversal of 154639711513 is 315117936451.

It is not a de Polignac number, because 154639711513 - 2¹ = 154639711511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154639711511) 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, 12109870 + ... + 12122632.

It is an arithmetic number, because the mean of its divisors is an integer number (11078130880).

Almost surely, 2^154639711513 is an apocalyptic number.

It is an amenable number.

154639711513 is a deficient number, since it is larger than the sum of its proper divisors (22610382567).

154639711513 is a wasteful number, since it uses less digits than its factorization.

154639711513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17716.

The product of its digits is 340200, while the sum is 46.

The spelling of 154639711513 in words is "one hundred fifty-four billion, six hundred thirty-nine million, seven hundred eleven thousand, five hundred thirteen".