157562911538009 has 8 divisors (see below), whose sum is σ = 159308182525440. Its totient is φ = 155821272750000.

The previous prime is 157562911537981. The next prime is 157562911538063. The reversal of 157562911538009 is 900835119265751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157562911538009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157562911538099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907962617 + ... + 908136134.

It is an arithmetic number, because the mean of its divisors is an integer number (19913522815680).

Almost surely, 2^{157562911538009} is an apocalyptic number.

It is an amenable number.

157562911538009 is a deficient number, since it is larger than the sum of its proper divisors (1745270987431).

157562911538009 is a wasteful number, since it uses less digits than its factorization.

157562911538009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816099711.

The product of its (nonzero) digits is 20412000, while the sum is 62.

The spelling of 157562911538009 in words is "one hundred fifty-seven trillion, five hundred sixty-two billion, nine hundred eleven million, five hundred thirty-eight thousand, nine".