131355247551 has 8 divisors (see below), whose sum is σ = 191062178304. Its totient is φ = 79609240920.

The previous prime is 131355247523. The next prime is 131355247567. The reversal of 131355247551 is 155742553131.

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 131355247551 - 2⁶ = 131355247487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131355247511) 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, 1990230991 + ... + 1990231056.

It is an arithmetic number, because the mean of its divisors is an integer number (23882772288).

Almost surely, 2^131355247551 is an apocalyptic number.

131355247551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131355247551 is a deficient number, since it is larger than the sum of its proper divisors (59706930753).

131355247551 is a wasteful number, since it uses less digits than its factorization.

131355247551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980462061.

The product of its digits is 315000, while the sum is 42.

The spelling of 131355247551 in words is "one hundred thirty-one billion, three hundred fifty-five million, two hundred forty-seven thousand, five hundred fifty-one".