15451253430 has 64 divisors (see below), whose sum is σ = 38308405248. Its totient is φ = 3984382080.

The previous prime is 15451253413. The next prime is 15451253443. The reversal of 15451253430 is 3435215451.

It is a junction number, because it is equal to n+sod(n) for n = 15451253391 and 15451253400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1377324 + ... + 1388496.

It is an arithmetic number, because the mean of its divisors is an integer number (598568832).

Almost surely, 2^15451253430 is an apocalyptic number.

15451253430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15451253430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19154202624).

15451253430 is an abundant number, since it is smaller than the sum of its proper divisors (22857151818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15451253430 is a wasteful number, since it uses less digits than its factorization.

15451253430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 15451253430 its reverse (3435215451), we get a palindrome (18886468881).

The spelling of 15451253430 in words is "fifteen billion, four hundred fifty-one million, two hundred fifty-three thousand, four hundred thirty".