2111652561112 has 64 divisors (see below), whose sum is σ = 4419559895040. Its totient is φ = 941202393600.

The previous prime is 2111652561103. The next prime is 2111652561121.

2111652561112 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (2111652561103) and next prime (2111652561121).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5130214 + ... + 5526517.

It is an arithmetic number, because the mean of its divisors is an integer number (69055623360).

Almost surely, 2^{2111652561112} is an apocalyptic number.

It is an amenable number.

2111652561112 is an abundant number, since it is smaller than the sum of its proper divisors (2307907333928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111652561112 is a wasteful number, since it uses less digits than its factorization.

2111652561112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656832 (or 10656828 counting only the distinct ones).

The product of its digits is 7200, while the sum is 34.

The spelling of 2111652561112 in words is "two trillion, one hundred eleven billion, six hundred fifty-two million, five hundred sixty-one thousand, one hundred twelve".