1231451151441 has 8 divisors (see below), whose sum is σ = 1876496992704. Its totient is φ = 703686372240.

The previous prime is 1231451151433. The next prime is 1231451151487. The reversal of 1231451151441 is 1441511541321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231451151441 - 2³ = 1231451151433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231451151341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29320265490 + ... + 29320265531.

It is an arithmetic number, because the mean of its divisors is an integer number (234562124088).

Almost surely, 2^{1231451151441} is an apocalyptic number.

It is an amenable number.

1231451151441 is a deficient number, since it is larger than the sum of its proper divisors (645045841263).

1231451151441 is an equidigital number, since it uses as much as digits as its factorization.

1231451151441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58640531031.

The product of its digits is 9600, while the sum is 33.

Adding to 1231451151441 its reverse (1441511541321), we get a palindrome (2672962692762).

The spelling of 1231451151441 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-one million, one hundred fifty-one thousand, four hundred forty-one".