1155104480851 has 32 divisors (see below), whose sum is σ = 1281207896640. Its totient is φ = 1036680892416.

The previous prime is 1155104480837. The next prime is 1155104480903. The reversal of 1155104480851 is 1580844015511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1155104480851 - 2⁹ = 1155104480339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1155104480798 and 1155104480807.

It is not an unprimeable number, because it can be changed into a prime (1155104487851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31218280 + ... + 31255258.

It is an arithmetic number, because the mean of its divisors is an integer number (40037746770).

Almost surely, 2^{1155104480851} is an apocalyptic number.

1155104480851 is a deficient number, since it is larger than the sum of its proper divisors (126103415789).

1155104480851 is a wasteful number, since it uses less digits than its factorization.

1155104480851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38023.

The product of its (nonzero) digits is 128000, while the sum is 43.

The spelling of 1155104480851 in words is "one trillion, one hundred fifty-five billion, one hundred four million, four hundred eighty thousand, eight hundred fifty-one".