15551156016156 has 24 divisors (see below), whose sum is σ = 36468372572800. Its totient is φ = 5157669833712.

The previous prime is 15551156016119. The next prime is 15551156016157. The reversal of 15551156016156 is 65161065115551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15551156016157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256102306 + ... + 3256107081.

Almost surely, 2^{15551156016156} is an apocalyptic number.

It is an amenable number.

15551156016156 is an abundant number, since it is smaller than the sum of its proper divisors (20917216556644).

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

15551156016156 is a wasteful number, since it uses less digits than its factorization.

15551156016156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512209593 (or 6512209591 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 48.

The spelling of 15551156016156 in words is "fifteen trillion, five hundred fifty-one billion, one hundred fifty-six million, sixteen thousand, one hundred fifty-six".