15545234352 has 80 divisors (see below), whose sum is σ = 40403851488. Its totient is φ = 5150177280.

The previous prime is 15545234339. The next prime is 15545234357. The reversal of 15545234352 is 25343254551.

It is a super-2 number, since 2×15545234352² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15545234352.

It is not an unprimeable number, because it can be changed into a prime (15545234357) 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, 9181218 + ... + 9182910.

Almost surely, 2^15545234352 is an apocalyptic number.

15545234352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15545234352 is an abundant number, since it is smaller than the sum of its proper divisors (24858617136).

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

15545234352 is a wasteful number, since it uses less digits than its factorization.

15545234352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758 (or 2752 counting only the distinct ones).

The product of its digits is 360000, while the sum is 39.

The spelling of 15545234352 in words is "fifteen billion, five hundred forty-five million, two hundred thirty-four thousand, three hundred fifty-two".