141981279551 has 8 divisors (see below), whose sum is σ = 144676387440. Its totient is φ = 139286772352.

The previous prime is 141981279547. The next prime is 141981279569. The reversal of 141981279551 is 155972189141.

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

It is a cyclic number.

It is not a de Polignac number, because 141981279551 - 2² = 141981279547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141981279493 and 141981279502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141981279521) 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, 342215 + ... + 633303.

It is an arithmetic number, because the mean of its divisors is an integer number (18084548430).

Almost surely, 2^141981279551 is an apocalyptic number.

141981279551 is a deficient number, since it is larger than the sum of its proper divisors (2695107889).

141981279551 is an equidigital number, since it uses as much as digits as its factorization.

141981279551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300345.

The product of its digits is 907200, while the sum is 53.

The spelling of 141981279551 in words is "one hundred forty-one billion, nine hundred eighty-one million, two hundred seventy-nine thousand, five hundred fifty-one".