157428611 has 2 divisors, whose sum is σ = 157428612. Its totient is φ = 157428610.

The previous prime is 157428589. The next prime is 157428613. The reversal of 157428611 is 116824751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157428611 - 2¹⁰ = 157427587 is a prime.

It is a super-2 number, since 2×157428611² = 49567535122778642, which contains 22 as substring.

Together with 157428613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157428613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78714305 + 78714306.

It is an arithmetic number, because the mean of its divisors is an integer number (78714306).

Almost surely, 2^157428611 is an apocalyptic number.

157428611 is a deficient number, since it is larger than the sum of its proper divisors (1).

157428611 is an equidigital number, since it uses as much as digits as its factorization.

157428611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 35.

The square root of 157428611 is about 12547.0558698047. The cubic root of 157428611 is about 539.9595431510.

The spelling of 157428611 in words is "one hundred fifty-seven million, four hundred twenty-eight thousand, six hundred eleven".