151131021441 has 4 divisors (see below), whose sum is σ = 201508028592. Its totient is φ = 100754014292.

The previous prime is 151131021407. The next prime is 151131021451. The reversal of 151131021441 is 144120131151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151131021441 - 2⁷ = 151131021313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151131021401) 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, 25188503571 + ... + 25188503576.

It is an arithmetic number, because the mean of its divisors is an integer number (50377007148).

Almost surely, 2^151131021441 is an apocalyptic number.

It is an amenable number.

151131021441 is a deficient number, since it is larger than the sum of its proper divisors (50377007151).

151131021441 is an equidigital number, since it uses as much as digits as its factorization.

151131021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50377007150.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 151131021441 its reverse (144120131151), we get a palindrome (295251152592).

The spelling of 151131021441 in words is "one hundred fifty-one billion, one hundred thirty-one million, twenty-one thousand, four hundred forty-one".