5551061055009 has 16 divisors (see below), whose sum is σ = 7591745637504. Its totient is φ = 3605775459200.

The previous prime is 5551061054999. The next prime is 5551061055011. The reversal of 5551061055009 is 9005501601555.

It is a cyclic number.

It is not a de Polignac number, because 5551061055009 - 2¹⁷ = 5551060923937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5551061055109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29096757 + ... + 29286914.

It is an arithmetic number, because the mean of its divisors is an integer number (474484102344).

Almost surely, 2^{5551061055009} is an apocalyptic number.

It is an amenable number.

5551061055009 is a deficient number, since it is larger than the sum of its proper divisors (2040684582495).

5551061055009 is a wasteful number, since it uses less digits than its factorization.

5551061055009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58384488.

The product of its (nonzero) digits is 168750, while the sum is 42.

It can be divided in two parts, 555106 and 1055009, that added together give a triangular number (1610115 = T₁₇₉₄).

The spelling of 5551061055009 in words is "five trillion, five hundred fifty-one billion, sixty-one million, fifty-five thousand, nine".