15121402355132 has 12 divisors (see below), whose sum is σ = 26462671620840. Its totient is φ = 7560639034896.

The previous prime is 15121402355071. The next prime is 15121402355159. The reversal of 15121402355132 is 23155320412151.

It is a junction number, because it is equal to n+sod(n) for n = 15121402355092 and 15121402355101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14986007 + ... + 15963182.

It is an arithmetic number, because the mean of its divisors is an integer number (2205222635070).

Almost surely, 2^{15121402355132} is an apocalyptic number.

It is an amenable number.

15121402355132 is a deficient number, since it is larger than the sum of its proper divisors (11341269265708).

15121402355132 is a wasteful number, since it uses less digits than its factorization.

15121402355132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31071340 (or 31071338 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 15121402355132 its reverse (23155320412151), we get a palindrome (38276722767283).

The spelling of 15121402355132 in words is "fifteen trillion, one hundred twenty-one billion, four hundred two million, three hundred fifty-five thousand, one hundred thirty-two".