215531025520041 has 48 divisors (see below), whose sum is σ = 398632789496448. Its totient is φ = 108938110464000.

The previous prime is 215531025520009. The next prime is 215531025520079. The reversal of 215531025520041 is 140025520135512.

215531025520041 is a `hidden beast` number, since 2 + 1 + 5 + 53 + 10 + 2 + 552 + 0 + 0 + 41 = 666.

It is not a de Polignac number, because 215531025520041 - 2⁵ = 215531025520009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215531025519978 and 215531025520005.

It is not an unprimeable number, because it can be changed into a prime (215531025520001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4202833560 + ... + 4202884841.

It is an arithmetic number, because the mean of its divisors is an integer number (8304849781176).

Almost surely, 2^{215531025520041} is an apocalyptic number.

215531025520041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

215531025520041 is a deficient number, since it is larger than the sum of its proper divisors (183101763976407).

215531025520041 is a wasteful number, since it uses less digits than its factorization.

215531025520041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405718462 (or 8405718459 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 215531025520041 its reverse (140025520135512), we get a palindrome (355556545655553).

The spelling of 215531025520041 in words is "two hundred fifteen trillion, five hundred thirty-one billion, twenty-five million, five hundred twenty thousand, forty-one".