155611343411061 has 16 divisors (see below), whose sum is σ = 208899030868800. Its totient is φ = 103032440743680.

The previous prime is 155611343411059. The next prime is 155611343411063. The reversal of 155611343411061 is 160114343116551.

It is an interprime number because it is at equal distance from previous prime (155611343411059) and next prime (155611343411063).

It is not a de Polignac number, because 155611343411061 - 2¹ = 155611343411059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155611343411063) 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, 16842100 + ... + 24390141.

It is an arithmetic number, because the mean of its divisors is an integer number (13056189429300).

Almost surely, 2^{155611343411061} is an apocalyptic number.

It is an amenable number.

155611343411061 is a deficient number, since it is larger than the sum of its proper divisors (53287687457739).

155611343411061 is a wasteful number, since it uses less digits than its factorization.

155611343411061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41240836.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 155611343411061 in words is "one hundred fifty-five trillion, six hundred eleven billion, three hundred forty-three million, four hundred eleven thousand, sixty-one".