131120155354553 has 2 divisors, whose sum is σ = 131120155354554. Its totient is φ = 131120155354552.

The previous prime is 131120155354501. The next prime is 131120155354619. The reversal of 131120155354553 is 355453551021131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125344415015824 + 5775740338729 = 11195732^2 + 2403277^2 .

It is an emirp because it is prime and its reverse (355453551021131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131120155354553 - 2¹⁶ = 131120155289017 is a prime.

It is a super-2 number, since 2×131120155354553² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131120155351553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560077677276 + 65560077677277.

It is an arithmetic number, because the mean of its divisors is an integer number (65560077677277).

Almost surely, 2^{131120155354553} is an apocalyptic number.

It is an amenable number.

131120155354553 is a deficient number, since it is larger than the sum of its proper divisors (1).

131120155354553 is an equidigital number, since it uses as much as digits as its factorization.

131120155354553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 131120155354553 in words is "one hundred thirty-one trillion, one hundred twenty billion, one hundred fifty-five million, three hundred fifty-four thousand, five hundred fifty-three".