2111066156051 has 2 divisors, whose sum is σ = 2111066156052. Its totient is φ = 2111066156050.

The previous prime is 2111066156047. The next prime is 2111066156119. The reversal of 2111066156051 is 1506516601112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111066156051 - 2² = 2111066156047 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111066156021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055533078025 + 1055533078026.

It is an arithmetic number, because the mean of its divisors is an integer number (1055533078026).

Almost surely, 2^{2111066156051} is an apocalyptic number.

2111066156051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111066156051 is an equidigital number, since it uses as much as digits as its factorization.

2111066156051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 2111066156051 in words is "two trillion, one hundred eleven billion, sixty-six million, one hundred fifty-six thousand, fifty-one".