551061156061 has 8 divisors (see below), whose sum is σ = 594157818240. Its totient is φ = 508065542832.

The previous prime is 551061156049. The next prime is 551061156073. The reversal of 551061156061 is 160651160155.

551061156061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551061156049) and next prime (551061156073).

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

It is a cyclic number.

It is not a de Polignac number, because 551061156061 - 2⁵ = 551061156029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551061156061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551061156161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25250905 + ... + 25272718.

It is an arithmetic number, because the mean of its divisors is an integer number (74269727280).

Almost surely, 2^551061156061 is an apocalyptic number.

It is an amenable number.

551061156061 is a deficient number, since it is larger than the sum of its proper divisors (43096662179).

551061156061 is a wasteful number, since it uses less digits than its factorization.

551061156061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50524475.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 551061156061 in words is "five hundred fifty-one billion, sixty-one million, one hundred fifty-six thousand, sixty-one".