5551012155 has 16 divisors (see below), whose sum is σ = 9564821280. Its totient is φ = 2732805888.

The previous prime is 5551012111. The next prime is 5551012163. The reversal of 5551012155 is 5512101555.

It is not a de Polignac number, because 5551012155 - 2¹⁰ = 5551011131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14233170 + ... + 14233559.

It is an arithmetic number, because the mean of its divisors is an integer number (597801330).

Almost surely, 2^5551012155 is an apocalyptic number.

5551012155 is a deficient number, since it is larger than the sum of its proper divisors (4013809125).

5551012155 is a wasteful number, since it uses less digits than its factorization.

5551012155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28466750.

The product of its (nonzero) digits is 6250, while the sum is 30.

The square root of 5551012155 is about 74505.1149586389. The cubic root of 5551012155 is about 1770.6146752757.

The spelling of 5551012155 in words is "five billion, five hundred fifty-one million, twelve thousand, one hundred fifty-five".