1245054554015 has 4 divisors (see below), whose sum is σ = 1494065464824. Its totient is φ = 996043643208.

The previous prime is 1245054553987. The next prime is 1245054554021. The reversal of 1245054554015 is 5104554505421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1245054554015 - 2⁸ = 1245054553759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124505455397 + ... + 124505455406.

It is an arithmetic number, because the mean of its divisors is an integer number (373516366206).

Almost surely, 2^{1245054554015} is an apocalyptic number.

1245054554015 is a deficient number, since it is larger than the sum of its proper divisors (249010910809).

1245054554015 is an equidigital number, since it uses as much as digits as its factorization.

1245054554015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249010910808.

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 1245054554015 in words is "one trillion, two hundred forty-five billion, fifty-four million, five hundred fifty-four thousand, fifteen".