141522056621 has 4 divisors (see below), whose sum is σ = 154387698144. Its totient is φ = 128656415100.

The previous prime is 141522056609. The next prime is 141522056629. The reversal of 141522056621 is 126650225141.

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 a de Polignac number, because none of the positive numbers 2^k-141522056621 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 (141522056629) 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, 6432820745 + ... + 6432820766.

It is an arithmetic number, because the mean of its divisors is an integer number (38596924536).

Almost surely, 2^141522056621 is an apocalyptic number.

141522056621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141522056621 is a deficient number, since it is larger than the sum of its proper divisors (12865641523).

141522056621 is a wasteful number, since it uses less digits than its factorization.

141522056621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865641522.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 141522056621 in words is "one hundred forty-one billion, five hundred twenty-two million, fifty-six thousand, six hundred twenty-one".