10143056515542 has 16 divisors (see below), whose sum is σ = 20475702873792. Its totient is φ = 3349420531400.

The previous prime is 10143056515523. The next prime is 10143056515547. The reversal of 10143056515542 is 24551565034101.

It is a junction number, because it is equal to n+sod(n) for n = 10143056515494 and 10143056515503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143056515547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7899576084 + ... + 7899577367.

It is an arithmetic number, because the mean of its divisors is an integer number (1279731429612).

Almost surely, 2^{10143056515542} is an apocalyptic number.

10143056515542 is an abundant number, since it is smaller than the sum of its proper divisors (10332646358250).

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

10143056515542 is a wasteful number, since it uses less digits than its factorization.

10143056515542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15799153563.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 10143056515542 in words is "ten trillion, one hundred forty-three billion, fifty-six million, five hundred fifteen thousand, five hundred forty-two".