2051130315040 has 48 divisors (see below), whose sum is σ = 4846142061432. Its totient is φ = 820393426944.

The previous prime is 2051130315029. The next prime is 2051130315083. The reversal of 2051130315040 is 405130311502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1864502859024 + 186627456016 = 1365468^2 + 432004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2051130314996 and 2051130315014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820032 + ... + 2723008.

Almost surely, 2^{2051130315040} is an apocalyptic number.

2051130315040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051130315040 is an abundant number, since it is smaller than the sum of its proper divisors (2795011746392).

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

2051130315040 is a wasteful number, since it uses less digits than its factorization.

2051130315040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917189 (or 917181 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 2051130315040 its reverse (405130311502), we get a palindrome (2456260626542).

The spelling of 2051130315040 in words is "two trillion, fifty-one billion, one hundred thirty million, three hundred fifteen thousand, forty".