10143055021256 has 32 divisors (see below), whose sum is σ = 20137142333880. Its totient is φ = 4773156172800.

The previous prime is 10143055021117. The next prime is 10143055021291. The reversal of 10143055021256 is 65212055034101.

It can be written as a sum of positive squares in 4 ways, for example, as 4810345562500 + 5332709458756 = 2193250^2 + 2309266^2 .

It is a super-2 number, since 2×10143055021256² (a number of 27 digits) contains 22 as substring.

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, 16699046 + ... + 17295786.

Almost surely, 2^{10143055021256} is an apocalyptic number.

It is an amenable number.

10143055021256 is a deficient number, since it is larger than the sum of its proper divisors (9994087312624).

10143055021256 is a wasteful number, since it uses less digits than its factorization.

10143055021256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721745 (or 721741 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 10143055021256 in words is "ten trillion, one hundred forty-three billion, fifty-five million, twenty-one thousand, two hundred fifty-six".