15140212545320 has 32 divisors (see below), whose sum is σ = 36069329889000. Its totient is φ = 5699844722688.

The previous prime is 15140212545259. The next prime is 15140212545329. The reversal of 15140212545320 is 2354521204151.

It can be written as a sum of positive squares in 4 ways, for example, as 12787246757476 + 2352965787844 = 3575926^2 + 1533938^2 .

It is a super-2 number, since 2×15140212545320² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15140212545329) 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, 11132508545 + ... + 11132509904.

Almost surely, 2^{15140212545320} is an apocalyptic number.

15140212545320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15140212545320 is an abundant number, since it is smaller than the sum of its proper divisors (20929117343680).

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

15140212545320 is a wasteful number, since it uses less digits than its factorization.

15140212545320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22265018477 (or 22265018473 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 15140212545320 its reverse (2354521204151), we get a palindrome (17494733749471).

The spelling of 15140212545320 in words is "fifteen trillion, one hundred forty billion, two hundred twelve million, five hundred forty-five thousand, three hundred twenty".