1254541242351 has 4 divisors (see below), whose sum is σ = 1672721656472. Its totient is φ = 836360828232.

The previous prime is 1254541242313. The next prime is 1254541242391. The reversal of 1254541242351 is 1532421454521.

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

It is not a de Polignac number, because 1254541242351 - 2²² = 1254537048047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254541242391) 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, 209090207056 + ... + 209090207061.

It is an arithmetic number, because the mean of its divisors is an integer number (418180414118).

Almost surely, 2^{1254541242351} is an apocalyptic number.

1254541242351 is a deficient number, since it is larger than the sum of its proper divisors (418180414121).

1254541242351 is an equidigital number, since it uses as much as digits as its factorization.

1254541242351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418180414120.

The product of its digits is 192000, while the sum is 39.

Adding to 1254541242351 its reverse (1532421454521), we get a palindrome (2786962696872).

The spelling of 1254541242351 in words is "one trillion, two hundred fifty-four billion, five hundred forty-one million, two hundred forty-two thousand, three hundred fifty-one".