111341701549 has 16 divisors (see below), whose sum is σ = 123163360432. Its totient is φ = 99986047488.

The previous prime is 111341701529. The next prime is 111341701577. The reversal of 111341701549 is 945107143111.

It can be written as a sum of positive squares in 8 ways, for example, as 552579049 + 110789122500 = 23507^2 + 332850^2 .

It is a cyclic number.

It is not a de Polignac number, because 111341701549 - 2¹¹ = 111341699501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111341701529) 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, 7069087 + ... + 7084819.

It is an arithmetic number, because the mean of its divisors is an integer number (7697710027).

Almost surely, 2^111341701549 is an apocalyptic number.

It is an amenable number.

111341701549 is a deficient number, since it is larger than the sum of its proper divisors (11821658883).

111341701549 is a wasteful number, since it uses less digits than its factorization.

111341701549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30496.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 111341701549 in words is "one hundred eleven billion, three hundred forty-one million, seven hundred one thousand, five hundred forty-nine".