10251151243 has 4 divisors (see below), whose sum is σ = 10251358288. Its totient is φ = 10250944200.

The previous prime is 10251151223. The next prime is 10251151279. The reversal of 10251151243 is 34215115201.

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 10251151243 - 2²¹ = 10249054091 is a prime.

It is a super-2 number, since 2×10251151243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10251151223) 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, 19393 + ... + 144493.

It is an arithmetic number, because the mean of its divisors is an integer number (2562839572).

Almost surely, 2^10251151243 is an apocalyptic number.

10251151243 is a deficient number, since it is larger than the sum of its proper divisors (207045).

10251151243 is an equidigital number, since it uses as much as digits as its factorization.

10251151243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207044.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 10251151243 its reverse (34215115201), we get a palindrome (44466266444).

The spelling of 10251151243 in words is "ten billion, two hundred fifty-one million, one hundred fifty-one thousand, two hundred forty-three".