10251056066442 has 32 divisors (see below), whose sum is σ = 21709250640000. Its totient is φ = 3215849899008.

The previous prime is 10251056066413. The next prime is 10251056066453. The reversal of 10251056066442 is 24466065015201.

It is a junction number, because it is equal to n+sod(n) for n = 10251056066394 and 10251056066403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647142 + ... + 4573937.

It is an arithmetic number, because the mean of its divisors is an integer number (678414082500).

Almost surely, 2^{10251056066442} is an apocalyptic number.

10251056066442 is an abundant number, since it is smaller than the sum of its proper divisors (11458194573558).

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

10251056066442 is a wasteful number, since it uses less digits than its factorization.

10251056066442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240350.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 10251056066442 in words is "ten trillion, two hundred fifty-one billion, fifty-six million, sixty-six thousand, four hundred forty-two".