2051015001 has 24 divisors (see below), whose sum is σ = 3212074944. Its totient is φ = 1160621280.

The previous prime is 2051014961. The next prime is 2051015003. The reversal of 2051015001 is 1005101502.

It is not a de Polignac number, because 2051015001 - 2²² = 2046820697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051015003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52590 + ... + 82871.

It is an arithmetic number, because the mean of its divisors is an integer number (133836456).

Almost surely, 2^2051015001 is an apocalyptic number.

2051015001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2051015001 is a deficient number, since it is larger than the sum of its proper divisors (1161059943).

2051015001 is a wasteful number, since it uses less digits than its factorization.

2051015001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135581 (or 135574 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 2051015001 is about 45288.1331145367. The cubic root of 2051015001 is about 1270.5437151515.

Adding to 2051015001 its reverse (1005101502), we get a palindrome (3056116503).

It can be divided in two parts, 20510 and 15001, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 2051015001 in words is "two billion, fifty-one million, fifteen thousand, one".