1111430405155 has 16 divisors (see below), whose sum is σ = 1524735946944. Its totient is φ = 761879439360.

The previous prime is 1111430405123. The next prime is 1111430405171. The reversal of 1111430405155 is 5515040341111.

It is not a de Polignac number, because 1111430405155 - 2⁵ = 1111430405123 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, 4978102 + ... + 5196571.

It is an arithmetic number, because the mean of its divisors is an integer number (95295996684).

Almost surely, 2^{1111430405155} is an apocalyptic number.

1111430405155 is a deficient number, since it is larger than the sum of its proper divisors (413305541789).

1111430405155 is a wasteful number, since it uses less digits than its factorization.

1111430405155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177806.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 1111430405155 its reverse (5515040341111), we get a palindrome (6626470746266).

The spelling of 1111430405155 in words is "one trillion, one hundred eleven billion, four hundred thirty million, four hundred five thousand, one hundred fifty-five".