157255618787 has 8 divisors (see below), whose sum is σ = 159647352000. Its totient is φ = 154873914624.

The previous prime is 157255618733. The next prime is 157255618831. The reversal of 157255618787 is 787816552751.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 157255618787 - 2¹⁶ = 157255553251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157255618727) 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 7 ways as a sum of consecutive naturals, for example, 2475662 + ... + 2538387.

It is an arithmetic number, because the mean of its divisors is an integer number (19955919000).

Almost surely, 2^157255618787 is an apocalyptic number.

157255618787 is a deficient number, since it is larger than the sum of its proper divisors (2391733213).

157255618787 is an equidigital number, since it uses as much as digits as its factorization.

157255618787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014525.

The product of its digits is 32928000, while the sum is 62.

The spelling of 157255618787 in words is "one hundred fifty-seven billion, two hundred fifty-five million, six hundred eighteen thousand, seven hundred eighty-seven".