1252014155101 has 4 divisors (see below), whose sum is σ = 1269165034012. Its totient is φ = 1234863276192.

The previous prime is 1252014155087. The next prime is 1252014155107. The reversal of 1252014155101 is 1015514102521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 685194895225 + 566819259876 = 827765^2 + 752874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252014155101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252014155101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252014155107) 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, 8575439346 + ... + 8575439491.

It is an arithmetic number, because the mean of its divisors is an integer number (317291258503).

Almost surely, 2^{1252014155101} is an apocalyptic number.

It is an amenable number.

1252014155101 is a deficient number, since it is larger than the sum of its proper divisors (17150878911).

1252014155101 is an equidigital number, since it uses as much as digits as its factorization.

1252014155101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150878910.

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 1252014155101 its reverse (1015514102521), we get a palindrome (2267528257622).

The spelling of 1252014155101 in words is "one trillion, two hundred fifty-two billion, fourteen million, one hundred fifty-five thousand, one hundred one".