11740642541 has 2 divisors, whose sum is σ = 11740642542. Its totient is φ = 11740642540.

The previous prime is 11740642499. The next prime is 11740642559. The reversal of 11740642541 is 14524604711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7013392516 + 4727250025 = 83746^2 + 68755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11740642541 - 2¹⁸ = 11740380397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11740642841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5870321270 + 5870321271.

It is an arithmetic number, because the mean of its divisors is an integer number (5870321271).

Almost surely, 2^11740642541 is an apocalyptic number.

It is an amenable number.

11740642541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11740642541 is an equidigital number, since it uses as much as digits as its factorization.

11740642541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 11740642541 in words is "eleven billion, seven hundred forty million, six hundred forty-two thousand, five hundred forty-one".