2051546615142 has 16 divisors (see below), whose sum is σ = 4108306827072. Its totient is φ = 682979938920.

The previous prime is 2051546615123. The next prime is 2051546615171. The reversal of 2051546615142 is 2415166451502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2051546615094 and 2051546615103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217228084 + ... + 217237527.

It is an arithmetic number, because the mean of its divisors is an integer number (256769176692).

Almost surely, 2^{2051546615142} is an apocalyptic number.

2051546615142 is an abundant number, since it is smaller than the sum of its proper divisors (2056760211930).

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

2051546615142 is a wasteful number, since it uses less digits than its factorization.

2051546615142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434466403.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 2051546615142 in words is "two trillion, fifty-one billion, five hundred forty-six million, six hundred fifteen thousand, one hundred forty-two".