15045421323251 has 16 divisors (see below), whose sum is σ = 16744025507328. Its totient is φ = 13404264014400.

The previous prime is 15045421323239. The next prime is 15045421323259. The reversal of 15045421323251 is 15232312454051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15045421323251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15045421323259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57547130 + ... + 57807983.

It is an arithmetic number, because the mean of its divisors is an integer number (1046501594208).

Almost surely, 2^{15045421323251} is an apocalyptic number.

15045421323251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15045421323251 is a deficient number, since it is larger than the sum of its proper divisors (1698604184077).

15045421323251 is a wasteful number, since it uses less digits than its factorization.

15045421323251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115355362.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 15045421323251 in words is "fifteen trillion, forty-five billion, four hundred twenty-one million, three hundred twenty-three thousand, two hundred fifty-one".