1535241120157 has 2 divisors, whose sum is σ = 1535241120158. Its totient is φ = 1535241120156.

The previous prime is 1535241120143. The next prime is 1535241120169. The reversal of 1535241120157 is 7510211425351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1346925046041 + 188316074116 = 1160571^2 + 433954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1535241120157 - 2¹⁹ = 1535240595869 is a prime.

It is a super-2 number, since 2×1535241120157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1535241120187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767620560078 + 767620560079.

It is an arithmetic number, because the mean of its divisors is an integer number (767620560079).

Almost surely, 2^{1535241120157} is an apocalyptic number.

It is an amenable number.

1535241120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1535241120157 is an equidigital number, since it uses as much as digits as its factorization.

1535241120157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 1535241120157 in words is "one trillion, five hundred thirty-five billion, two hundred forty-one million, one hundred twenty thousand, one hundred fifty-seven".