154725868613 has 4 divisors (see below), whose sum is σ = 154799584800. Its totient is φ = 154652152428.

The previous prime is 154725868607. The next prime is 154725868657. The reversal of 154725868613 is 316868527451.

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 a cyclic number.

It is not a de Polignac number, because 154725868613 - 2⁸ = 154725868357 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 (154725868013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36854945 + ... + 36859142.

It is an arithmetic number, because the mean of its divisors is an integer number (38699896200).

Almost surely, 2^154725868613 is an apocalyptic number.

It is an amenable number.

154725868613 is a deficient number, since it is larger than the sum of its proper divisors (73716187).

154725868613 is an equidigital number, since it uses as much as digits as its factorization.

154725868613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73716186.

The product of its digits is 9676800, while the sum is 56.

The spelling of 154725868613 in words is "one hundred fifty-four billion, seven hundred twenty-five million, eight hundred sixty-eight thousand, six hundred thirteen".