2151142655612 has 6 divisors (see below), whose sum is σ = 3764499647328. Its totient is φ = 1075571327804.

The previous prime is 2151142655527. The next prime is 2151142655617. The reversal of 2151142655612 is 2165562411512.

It is a self number, because there is not a number n which added to its sum of digits gives 2151142655612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151142655617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268892831948 + ... + 268892831955.

It is an arithmetic number, because the mean of its divisors is an integer number (627416607888).

Almost surely, 2^{2151142655612} is an apocalyptic number.

It is an amenable number.

2151142655612 is a deficient number, since it is larger than the sum of its proper divisors (1613356991716).

2151142655612 is a wasteful number, since it uses less digits than its factorization.

2151142655612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537785663907 (or 537785663905 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The spelling of 2151142655612 in words is "two trillion, one hundred fifty-one billion, one hundred forty-two million, six hundred fifty-five thousand, six hundred twelve".