157925813459 has 4 divisors (see below), whose sum is σ = 157936911000. Its totient is φ = 157914715920.

The previous prime is 157925813453. The next prime is 157925813531. The reversal of 157925813459 is 954318529751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954318529751 = 17 ⋅56136384103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157925813459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157925813398 and 157925813407.

It is not an unprimeable number, because it can be changed into a prime (157925813453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527397 + ... + 5555894.

It is an arithmetic number, because the mean of its divisors is an integer number (39484227750).

Almost surely, 2^157925813459 is an apocalyptic number.

157925813459 is a deficient number, since it is larger than the sum of its proper divisors (11097541).

157925813459 is a wasteful number, since it uses less digits than its factorization.

157925813459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11097540.

The product of its digits is 13608000, while the sum is 59.

The spelling of 157925813459 in words is "one hundred fifty-seven billion, nine hundred twenty-five million, eight hundred thirteen thousand, four hundred fifty-nine".