157801157011 has 2 divisors, whose sum is σ = 157801157012. Its totient is φ = 157801157010.

The previous prime is 157801157009. The next prime is 157801157023. The reversal of 157801157011 is 110751108751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157801157011 - 2¹ = 157801157009 is a prime.

Together with 157801157009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (157801157411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78900578505 + 78900578506.

It is an arithmetic number, because the mean of its divisors is an integer number (78900578506).

Almost surely, 2^157801157011 is an apocalyptic number.

157801157011 is a deficient number, since it is larger than the sum of its proper divisors (1).

157801157011 is an equidigital number, since it uses as much as digits as its factorization.

157801157011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9800, while the sum is 37.

The spelling of 157801157011 in words is "one hundred fifty-seven billion, eight hundred one million, one hundred fifty-seven thousand, eleven".