1285031457051 has 4 divisors (see below), whose sum is σ = 1713375276072. Its totient is φ = 856687638032.

The previous prime is 1285031457049. The next prime is 1285031457079. The reversal of 1285031457051 is 1507541305821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1285031457051 - 2¹ = 1285031457049 is a prime.

It is a super-2 number, since 2×1285031457051² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1285031456994 and 1285031457012.

It is not an unprimeable number, because it can be changed into a prime (1285031452051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214171909506 + ... + 214171909511.

It is an arithmetic number, because the mean of its divisors is an integer number (428343819018).

Almost surely, 2^{1285031457051} is an apocalyptic number.

1285031457051 is a deficient number, since it is larger than the sum of its proper divisors (428343819021).

1285031457051 is an equidigital number, since it uses as much as digits as its factorization.

1285031457051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428343819020.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 1285031457051 in words is "one trillion, two hundred eighty-five billion, thirty-one million, four hundred fifty-seven thousand, fifty-one".