1155040597601 has 16 divisors (see below), whose sum is σ = 1279239257088. Its totient is φ = 1034074616400.

The previous prime is 1155040597597. The next prime is 1155040597603. The reversal of 1155040597601 is 1067950405511.

It is a cyclic number.

It is not a de Polignac number, because 1155040597601 - 2² = 1155040597597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155040597603) 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, 147821 + ... + 1527066.

It is an arithmetic number, because the mean of its divisors is an integer number (79952453568).

Almost surely, 2^{1155040597601} is an apocalyptic number.

1155040597601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1155040597601 is a deficient number, since it is larger than the sum of its proper divisors (124198659487).

1155040597601 is a wasteful number, since it uses less digits than its factorization.

1155040597601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675852.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 1155040597601 in words is "one trillion, one hundred fifty-five billion, forty million, five hundred ninety-seven thousand, six hundred one".