241135978537 has 2 divisors, whose sum is σ = 241135978538. Its totient is φ = 241135978536.

The previous prime is 241135978519. The next prime is 241135978549. The reversal of 241135978537 is 735879531142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136379535616 + 104756442921 = 369296^2 + 323661^2 .

It is a cyclic number.

It is not a de Polignac number, because 241135978537 - 2¹⁵ = 241135945769 is a prime.

It is not a weakly prime, because it can be changed into another prime (241135976537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120567989268 + 120567989269.

It is an arithmetic number, because the mean of its divisors is an integer number (120567989269).

Almost surely, 2^241135978537 is an apocalyptic number.

It is an amenable number.

241135978537 is a deficient number, since it is larger than the sum of its proper divisors (1).

241135978537 is an equidigital number, since it uses as much as digits as its factorization.

241135978537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 55.

The spelling of 241135978537 in words is "two hundred forty-one billion, one hundred thirty-five million, nine hundred seventy-eight thousand, five hundred thirty-seven".