6156155156554 has 8 divisors (see below), whose sum is σ = 9944558329860. Its totient is φ = 2841302379936.

The previous prime is 6156155156551. The next prime is 6156155156579. The reversal of 6156155156554 is 4556515516516.

It can be written as a sum of positive squares in 2 ways, for example, as 4682181907225 + 1473973249329 = 2163835^2 + 1214073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6156155156495 and 6156155156504.

It is not an unprimeable number, because it can be changed into a prime (6156155156551) 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, 118387599139 + ... + 118387599190.

Almost surely, 2^{6156155156554} is an apocalyptic number.

6156155156554 is a deficient number, since it is larger than the sum of its proper divisors (3788403173306).

6156155156554 is a wasteful number, since it uses less digits than its factorization.

6156155156554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236775198344.

The product of its digits is 13500000, while the sum is 55.

The spelling of 6156155156554 in words is "six trillion, one hundred fifty-six billion, one hundred fifty-five million, one hundred fifty-six thousand, five hundred fifty-four".