15552040120 has 16 divisors (see below), whose sum is σ = 34992090360. Its totient is φ = 6220816032.

The previous prime is 15552040109. The next prime is 15552040123. The reversal of 15552040120 is 2104025551.

It is a super-2 number, since 2×15552040120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552040123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194400462 + ... + 194400541.

Almost surely, 2^15552040120 is an apocalyptic number.

15552040120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15552040120 is an abundant number, since it is smaller than the sum of its proper divisors (19440050240).

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

15552040120 is a wasteful number, since it uses less digits than its factorization.

15552040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388801014 (or 388801010 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15552040120 its reverse (2104025551), we get a palindrome (17656065671).

The spelling of 15552040120 in words is "fifteen billion, five hundred fifty-two million, forty thousand, one hundred twenty".