11620151717 has 2 divisors, whose sum is σ = 11620151718. Its totient is φ = 11620151716.

The previous prime is 11620151687. The next prime is 11620151731. The reversal of 11620151717 is 71715102611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11195544481 + 424607236 = 105809^2 + 20606^2 .

It is a cyclic number.

It is not a de Polignac number, because 11620151717 - 2¹⁴ = 11620135333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11620651717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810075858 + 5810075859.

It is an arithmetic number, because the mean of its divisors is an integer number (5810075859).

Almost surely, 2^11620151717 is an apocalyptic number.

It is an amenable number.

11620151717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11620151717 is an equidigital number, since it uses as much as digits as its factorization.

11620151717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 32.

The spelling of 11620151717 in words is "eleven billion, six hundred twenty million, one hundred fifty-one thousand, seven hundred seventeen".