15611555656652 has 12 divisors (see below), whose sum is σ = 27320250060936. Its totient is φ = 7805769924960.

The previous prime is 15611555656651. The next prime is 15611555656681. The reversal of 15611555656652 is 25665655511651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15611555656591 and 15611555656600.

It is not an unprimeable number, because it can be changed into a prime (15611555656651) 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, 6768752 + ... + 8777192.

It is an arithmetic number, because the mean of its divisors is an integer number (2276687505078).

Almost surely, 2^{15611555656652} is an apocalyptic number.

It is an amenable number.

15611555656652 is a deficient number, since it is larger than the sum of its proper divisors (11708694404284).

15611555656652 is a wasteful number, since it uses less digits than its factorization.

15611555656652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951688 (or 3951686 counting only the distinct ones).

The product of its digits is 40500000, while the sum is 59.

The spelling of 15611555656652 in words is "fifteen trillion, six hundred eleven billion, five hundred fifty-five million, six hundred fifty-six thousand, six hundred fifty-two".