11505000655139 has 2 divisors, whose sum is σ = 11505000655140. Its totient is φ = 11505000655138.

The previous prime is 11505000655103. The next prime is 11505000655177. The reversal of 11505000655139 is 93155600050511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11505000655139 - 2²⁴ = 11504983877923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11505000655096 and 11505000655105.

It is not a weakly prime, because it can be changed into another prime (11505000655039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752500327569 + 5752500327570.

It is an arithmetic number, because the mean of its divisors is an integer number (5752500327570).

Almost surely, 2^{11505000655139} is an apocalyptic number.

11505000655139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11505000655139 is an equidigital number, since it uses as much as digits as its factorization.

11505000655139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101250, while the sum is 41.

The spelling of 11505000655139 in words is "eleven trillion, five hundred five billion, six hundred fifty-five thousand, one hundred thirty-nine".