2051251062480 has 120 divisors (see below), whose sum is σ = 6889050331488. Its totient is φ = 546979200768.

The previous prime is 2051251062473. The next prime is 2051251062481. The reversal of 2051251062480 is 842601521502.

2051251062480 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 2 + 510 + 62 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051251062481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30237079 + ... + 30304841.

Almost surely, 2^{2051251062480} is an apocalyptic number.

2051251062480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051251062480 is an abundant number, since it is smaller than the sum of its proper divisors (4837799269008).

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

2051251062480 is a wasteful number, since it uses less digits than its factorization.

2051251062480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109825 (or 109816 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 2051251062480 its reverse (842601521502), we get a palindrome (2893852583982).

The spelling of 2051251062480 in words is "two trillion, fifty-one billion, two hundred fifty-one million, sixty-two thousand, four hundred eighty".