1253102501011 has 4 divisors (see below), whose sum is σ = 1273645165024. Its totient is φ = 1232559837000.

The previous prime is 1253102500999. The next prime is 1253102501023. The reversal of 1253102501011 is 1101052013521.

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

It is an interprime number because it is at equal distance from previous prime (1253102500999) and next prime (1253102501023).

It is a cyclic number.

It is not a de Polignac number, because 1253102501011 - 2²¹ = 1253100403859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253102501041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10271331915 + ... + 10271332036.

It is an arithmetic number, because the mean of its divisors is an integer number (318411291256).

Almost surely, 2^{1253102501011} is an apocalyptic number.

1253102501011 is a deficient number, since it is larger than the sum of its proper divisors (20542664013).

1253102501011 is an equidigital number, since it uses as much as digits as its factorization.

1253102501011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20542664012.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 1253102501011 its reverse (1101052013521), we get a palindrome (2354154514532).

The spelling of 1253102501011 in words is "one trillion, two hundred fifty-three billion, one hundred two million, five hundred one thousand, eleven".