1251530014211 has 4 divisors (see below), whose sum is σ = 1263680791152. Its totient is φ = 1239379237272.

The previous prime is 1251530014187. The next prime is 1251530014303. The reversal of 1251530014211 is 1124100351521.

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 1251530014211 - 2¹⁰ = 1251530013187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1251530014811) 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, 6075388316 + ... + 6075388521.

It is an arithmetic number, because the mean of its divisors is an integer number (315920197788).

Almost surely, 2^{1251530014211} is an apocalyptic number.

1251530014211 is a deficient number, since it is larger than the sum of its proper divisors (12150776941).

1251530014211 is a wasteful number, since it uses less digits than its factorization.

1251530014211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12150776940.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 1251530014211 its reverse (1124100351521), we get a palindrome (2375630365732).

The spelling of 1251530014211 in words is "one trillion, two hundred fifty-one billion, five hundred thirty million, fourteen thousand, two hundred eleven".