15241490894 has 16 divisors (see below), whose sum is σ = 26252105856. Its totient is φ = 6501108600.

The previous prime is 15241490893. The next prime is 15241490909. The reversal of 15241490894 is 49809414251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15241490893) 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 7 ways as a sum of consecutive naturals, for example, 2576852 + ... + 2582759.

It is an arithmetic number, because the mean of its divisors is an integer number (1640756616).

Almost surely, 2^15241490894 is an apocalyptic number.

15241490894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15241490894 is a deficient number, since it is larger than the sum of its proper divisors (11010614962).

15241490894 is a wasteful number, since it uses less digits than its factorization.

15241490894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159831.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 15241490894 in words is "fifteen billion, two hundred forty-one million, four hundred ninety thousand, eight hundred ninety-four".