15345434101512 has 32 divisors (see below), whose sum is σ = 38373404680800. Its totient is φ = 5113835443584.

The previous prime is 15345434101489. The next prime is 15345434101541. The reversal of 15345434101512 is 21510143454351.

It is a super-2 number, since 2×15345434101512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81732837 + ... + 81920372.

It is an arithmetic number, because the mean of its divisors is an integer number (1199168896275).

Almost surely, 2^{15345434101512} is an apocalyptic number.

15345434101512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15345434101512 is an abundant number, since it is smaller than the sum of its proper divisors (23027970579288).

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

15345434101512 is a wasteful number, since it uses less digits than its factorization.

15345434101512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163657125 (or 163657121 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 15345434101512 its reverse (21510143454351), we get a palindrome (36855577555863).

The spelling of 15345434101512 in words is "fifteen trillion, three hundred forty-five billion, four hundred thirty-four million, one hundred one thousand, five hundred twelve".