157252557655 has 8 divisors (see below), whose sum is σ = 188917266384. Its totient is φ = 125659248000.

The previous prime is 157252557647. The next prime is 157252557703. The reversal of 157252557655 is 556755252751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157252557655 - 2³ = 157252557647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157252557596 and 157252557605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17844921 + ... + 17853730.

It is an arithmetic number, because the mean of its divisors is an integer number (23614658298).

Almost surely, 2^157252557655 is an apocalyptic number.

157252557655 is a deficient number, since it is larger than the sum of its proper divisors (31664708729).

157252557655 is an equidigital number, since it uses as much as digits as its factorization.

157252557655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35699537.

The product of its digits is 18375000, while the sum is 55.

The spelling of 157252557655 in words is "one hundred fifty-seven billion, two hundred fifty-two million, five hundred fifty-seven thousand, six hundred fifty-five".