15435052253 has 8 divisors (see below), whose sum is σ = 15738202368. Its totient is φ = 15132343824.

The previous prime is 15435052181. The next prime is 15435052271. The reversal of 15435052253 is 35225053451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15435052253 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 (15435052273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39401 + ... + 180062.

It is an arithmetic number, because the mean of its divisors is an integer number (1967275296).

Almost surely, 2^15435052253 is an apocalyptic number.

It is an amenable number.

15435052253 is a deficient number, since it is larger than the sum of its proper divisors (303150115).

15435052253 is a wasteful number, since it uses less digits than its factorization.

15435052253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220843.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 15435052253 in words is "fifteen billion, four hundred thirty-five million, fifty-two thousand, two hundred fifty-three".