157158728573 has 32 divisors (see below), whose sum is σ = 196950424320. Its totient is φ = 121829621760.

The previous prime is 157158728557. The next prime is 157158728599. The reversal of 157158728573 is 375827851751.

It is a happy number.

It is not a de Polignac number, because 157158728573 - 2⁴ = 157158728557 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 (157158728533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25275761 + ... + 25281977.

It is an arithmetic number, because the mean of its divisors is an integer number (6154700760).

Almost surely, 2^157158728573 is an apocalyptic number.

It is an amenable number.

157158728573 is a deficient number, since it is larger than the sum of its proper divisors (39791695747).

157158728573 is a wasteful number, since it uses less digits than its factorization.

157158728573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7877.

The product of its digits is 16464000, while the sum is 59.

The spelling of 157158728573 in words is "one hundred fifty-seven billion, one hundred fifty-eight million, seven hundred twenty-eight thousand, five hundred seventy-three".