2051151004 has 24 divisors (see below), whose sum is σ = 4318213760. Its totient is φ = 832797936.

The previous prime is 2051150999. The next prime is 2051151013. The reversal of 2051151004 is 4001511502.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927242 + ... + 1928305.

Almost surely, 2^2051151004 is an apocalyptic number.

It is an amenable number.

2051151004 is an abundant number, since it is smaller than the sum of its proper divisors (2267062756).

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

2051151004 is a wasteful number, since it uses less digits than its factorization.

2051151004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855577 (or 3855575 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2051151004 is about 45289.6346198553. The cubic root of 2051151004 is about 1270.5717978224.

Adding to 2051151004 its reverse (4001511502), we get a palindrome (6052662506).

The spelling of 2051151004 in words is "two billion, fifty-one million, one hundred fifty-one thousand, four".