115636781153 has 2 divisors, whose sum is σ = 115636781154. Its totient is φ = 115636781152.

The previous prime is 115636781107. The next prime is 115636781159. The reversal of 115636781153 is 351187636511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114807801889 + 828979264 = 338833^2 + 28792^2 .

It is a cyclic number.

It is not a de Polignac number, because 115636781153 - 2⁶ = 115636781089 is a prime.

It is a super-3 number, since 3×115636781153³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115636781098 and 115636781107.

It is not a weakly prime, because it can be changed into another prime (115636781159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57818390576 + 57818390577.

It is an arithmetic number, because the mean of its divisors is an integer number (57818390577).

Almost surely, 2^115636781153 is an apocalyptic number.

It is an amenable number.

115636781153 is a deficient number, since it is larger than the sum of its proper divisors (1).

115636781153 is an equidigital number, since it uses as much as digits as its factorization.

115636781153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 47.

The spelling of 115636781153 in words is "one hundred fifteen billion, six hundred thirty-six million, seven hundred eighty-one thousand, one hundred fifty-three".