131651255121 has 8 divisors (see below), whose sum is σ = 175536877824. Its totient is φ = 87766567920.

The previous prime is 131651255081. The next prime is 131651255129. The reversal of 131651255121 is 121552156131.

It is a happy number.

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

It is not a de Polignac number, because 131651255121 - 2¹³ = 131651246929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131651255129) 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, 220731 + ... + 558591.

It is an arithmetic number, because the mean of its divisors is an integer number (21942109728).

Almost surely, 2^131651255121 is an apocalyptic number.

It is an amenable number.

131651255121 is a deficient number, since it is larger than the sum of its proper divisors (43885622703).

131651255121 is a wasteful number, since it uses less digits than its factorization.

131651255121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467751.

The product of its digits is 9000, while the sum is 33.

The spelling of 131651255121 in words is "one hundred thirty-one billion, six hundred fifty-one million, two hundred fifty-five thousand, one hundred twenty-one".