11555150422639 has 2 divisors, whose sum is σ = 11555150422640. Its totient is φ = 11555150422638.

The previous prime is 11555150422591. The next prime is 11555150422643. The reversal of 11555150422639 is 93622405155511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11555150422639 - 2¹³ = 11555150414447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11555150422592 and 11555150422601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11555150422139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777575211319 + 5777575211320.

It is an arithmetic number, because the mean of its divisors is an integer number (5777575211320).

Almost surely, 2^{11555150422639} is an apocalyptic number.

11555150422639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11555150422639 is an equidigital number, since it uses as much as digits as its factorization.

11555150422639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 11555150422639 in words is "eleven trillion, five hundred fifty-five billion, one hundred fifty million, four hundred twenty-two thousand, six hundred thirty-nine".