1252538789026 has 32 divisors (see below), whose sum is σ = 2171857830912. Its totient is φ = 530672739840.

The previous prime is 1252538789017. The next prime is 1252538789041. The reversal of 1252538789026 is 6209878352521.

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, 892626 + ... + 1817101.

It is an arithmetic number, because the mean of its divisors is an integer number (67870557216).

Almost surely, 2^{1252538789026} is an apocalyptic number.

1252538789026 is a deficient number, since it is larger than the sum of its proper divisors (919319041886).

1252538789026 is a wasteful number, since it uses less digits than its factorization.

1252538789026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710114.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 1252538789026 in words is "one trillion, two hundred fifty-two billion, five hundred thirty-eight million, seven hundred eighty-nine thousand, twenty-six".