1156001041155 has 32 divisors (see below), whose sum is σ = 1877622197760. Its totient is φ = 607211951360.

The previous prime is 1156001041061. The next prime is 1156001041189. The reversal of 1156001041155 is 5511401006511.

It is not a de Polignac number, because 1156001041155 - 2¹⁷ = 1156000910083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445456 + ... + 1584434.

It is an arithmetic number, because the mean of its divisors is an integer number (58675693680).

Almost surely, 2^{1156001041155} is an apocalyptic number.

1156001041155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1156001041155 is a deficient number, since it is larger than the sum of its proper divisors (721621156605).

1156001041155 is a wasteful number, since it uses less digits than its factorization.

1156001041155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140011.

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 1156001041155 its reverse (5511401006511), we get a palindrome (6667402047666).

The spelling of 1156001041155 in words is "one trillion, one hundred fifty-six billion, one million, forty-one thousand, one hundred fifty-five".