15452121045 has 16 divisors (see below), whose sum is σ = 24738037632. Its totient is φ = 8236249920.

The previous prime is 15452121007. The next prime is 15452121071. The reversal of 15452121045 is 54012125451.

15452121045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15452121045 - 2¹² = 15452116949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278841 + ... + 329630.

It is an arithmetic number, because the mean of its divisors is an integer number (1546127352).

Almost surely, 2^15452121045 is an apocalyptic number.

15452121045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15452121045 is a deficient number, since it is larger than the sum of its proper divisors (9285916587).

15452121045 is a wasteful number, since it uses less digits than its factorization.

15452121045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610172.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 15452121045 its reverse (54012125451), we get a palindrome (69464246496).

The spelling of 15452121045 in words is "fifteen billion, four hundred fifty-two million, one hundred twenty-one thousand, forty-five".