2042551511 has 48 divisors (see below), whose sum is σ = 2809445184. Its totient is φ = 1444608000.

The previous prime is 2042551507. The next prime is 2042551523. The reversal of 2042551511 is 1151552402.

It is not a de Polignac number, because 2042551511 - 2² = 2042551507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042551561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670151 + ... + 673191.

It is an arithmetic number, because the mean of its divisors is an integer number (58530108).

Almost surely, 2^2042551511 is an apocalyptic number.

2042551511 is a deficient number, since it is larger than the sum of its proper divisors (766893673).

2042551511 is a wasteful number, since it uses less digits than its factorization.

2042551511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2042551511 is about 45194.5960375795. The cubic root of 2042551511 is about 1268.7936777218.

The spelling of 2042551511 in words is "two billion, forty-two million, five hundred fifty-one thousand, five hundred eleven".