240115541155555 has 32 divisors (see below), whose sum is σ = 310698098682048. Its totient is φ = 177090440486400.

The previous prime is 240115541155487. The next prime is 240115541155597. The reversal of 240115541155555 is 555551145511042.

It is not a de Polignac number, because 240115541155555 - 2³⁹ = 239565785341667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240115541155499 and 240115541155508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 899779045 + ... + 900045865.

It is an arithmetic number, because the mean of its divisors is an integer number (9709315583814).

Almost surely, 2^{240115541155555} is an apocalyptic number.

240115541155555 is a deficient number, since it is larger than the sum of its proper divisors (70582557526493).

240115541155555 is a wasteful number, since it uses less digits than its factorization.

240115541155555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284407.

The product of its (nonzero) digits is 2500000, while the sum is 49.

Adding to 240115541155555 its reverse (555551145511042), we get a palindrome (795666686666597).

The spelling of 240115541155555 in words is "two hundred forty trillion, one hundred fifteen billion, five hundred forty-one million, one hundred fifty-five thousand, five hundred fifty-five".