1240011250555 has 128 divisors (see below), whose sum is σ = 1897538420736. Its totient is φ = 755593920000.

The previous prime is 1240011250469. The next prime is 1240011250567. The reversal of 1240011250555 is 5550521100421.

It is not a de Polignac number, because 1240011250555 - 2³¹ = 1237863766907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1651146430 + ... + 1651147180.

It is an arithmetic number, because the mean of its divisors is an integer number (14824518912).

Almost surely, 2^{1240011250555} is an apocalyptic number.

1240011250555 is a deficient number, since it is larger than the sum of its proper divisors (657527170181).

1240011250555 is a wasteful number, since it uses less digits than its factorization.

1240011250555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 1240011250555 its reverse (5550521100421), we get a palindrome (6790532350976).

The spelling of 1240011250555 in words is "one trillion, two hundred forty billion, eleven million, two hundred fifty thousand, five hundred fifty-five".