2628011582554 has 4 divisors (see below), whose sum is σ = 3942017373834. Its totient is φ = 1314005791276.

The previous prime is 2628011582543. The next prime is 2628011582789. The reversal of 2628011582554 is 4552851108262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1333616161329 + 1294395421225 = 1154823^2 + 1137715^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2628011582498 and 2628011582507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657002895637 + ... + 657002895640.

Almost surely, 2^{2628011582554} is an apocalyptic number.

2628011582554 is a deficient number, since it is larger than the sum of its proper divisors (1314005791280).

2628011582554 is a wasteful number, since it uses less digits than its factorization.

2628011582554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314005791279.

The product of its (nonzero) digits is 1536000, while the sum is 49.

The spelling of 2628011582554 in words is "two trillion, six hundred twenty-eight billion, eleven million, five hundred eighty-two thousand, five hundred fifty-four".