11641778756051 has 2 divisors, whose sum is σ = 11641778756052. Its totient is φ = 11641778756050.

The previous prime is 11641778755961. The next prime is 11641778756131. The reversal of 11641778756051 is 15065787714611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11641778756051 - 2³⁰ = 11640705014227 is a prime.

It is a super-2 number, since 2×11641778756051² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11641778356051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820889378025 + 5820889378026.

It is an arithmetic number, because the mean of its divisors is an integer number (5820889378026).

Almost surely, 2^{11641778756051} is an apocalyptic number.

11641778756051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11641778756051 is an equidigital number, since it uses as much as digits as its factorization.

11641778756051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 59.

The spelling of 11641778756051 in words is "eleven trillion, six hundred forty-one billion, seven hundred seventy-eight million, seven hundred fifty-six thousand, fifty-one".