15121342013340 has 96 divisors (see below), whose sum is σ = 42532262922240. Its totient is φ = 4014026286336.

The previous prime is 15121342013329. The next prime is 15121342013363. The reversal of 15121342013340 is 4331024312151.

15121342013340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15121342013298 and 15121342013307.

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, 334972491 + ... + 335017629.

It is an arithmetic number, because the mean of its divisors is an integer number (443044405440).

Almost surely, 2^{15121342013340} is an apocalyptic number.

15121342013340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15121342013340 is an abundant number, since it is smaller than the sum of its proper divisors (27410920908900).

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

15121342013340 is a wasteful number, since it uses less digits than its factorization.

15121342013340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70411 (or 70409 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 15121342013340 its reverse (4331024312151), we get a palindrome (19452366325491).

The spelling of 15121342013340 in words is "fifteen trillion, one hundred twenty-one billion, three hundred forty-two million, thirteen thousand, three hundred forty".