15270240007 has 4 divisors (see below), whose sum is σ = 16658443656. Its totient is φ = 13882036360.

The previous prime is 15270239977. The next prime is 15270240019. The reversal of 15270240007 is 70004207251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15270240007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15270240047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694101808 + ... + 694101829.

It is an arithmetic number, because the mean of its divisors is an integer number (4164610914).

Almost surely, 2^15270240007 is an apocalyptic number.

15270240007 is a deficient number, since it is larger than the sum of its proper divisors (1388203649).

15270240007 is a wasteful number, since it uses less digits than its factorization.

15270240007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388203648.

The product of its (nonzero) digits is 3920, while the sum is 28.

Adding to 15270240007 its reverse (70004207251), we get a palindrome (85274447258).

The spelling of 15270240007 in words is "fifteen billion, two hundred seventy million, two hundred forty thousand, seven".