2051332505144 has 32 divisors (see below), whose sum is σ = 4159891073520. Its totient is φ = 942705451776.

The previous prime is 2051332505143. The next prime is 2051332505153. The reversal of 2051332505144 is 4415052331502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051332505143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42302702 + ... + 42351165.

Almost surely, 2^{2051332505144} is an apocalyptic number.

It is an amenable number.

2051332505144 is an abundant number, since it is smaller than the sum of its proper divisors (2108558568376).

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

2051332505144 is a wasteful number, since it uses less digits than its factorization.

2051332505144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84654119 (or 84654115 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2051332505144 its reverse (4415052331502), we get a palindrome (6466384836646).

The spelling of 2051332505144 in words is "two trillion, fifty-one billion, three hundred thirty-two million, five hundred five thousand, one hundred forty-four".