1240155040015 has 8 divisors (see below), whose sum is σ = 1488222254160. Its totient is φ = 992099894592.

The previous prime is 1240155039997. The next prime is 1240155040057. The reversal of 1240155040015 is 5100405510421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240155040015 - 2⁷ = 1240155039887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2789550 + ... + 3203419.

It is an arithmetic number, because the mean of its divisors is an integer number (186027781770).

Almost surely, 2^{1240155040015} is an apocalyptic number.

1240155040015 is a deficient number, since it is larger than the sum of its proper divisors (248067214145).

1240155040015 is an equidigital number, since it uses as much as digits as its factorization.

1240155040015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034361.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 1240155040015 in words is "one trillion, two hundred forty billion, one hundred fifty-five million, forty thousand, fifteen".