1155711490042 has 16 divisors (see below), whose sum is σ = 1915347943872. Its totient is φ = 520217959360.

The previous prime is 1155711489979. The next prime is 1155711490057. The reversal of 1155711490042 is 2400941175511.

It is a junction number, because it is equal to n+sod(n) for n = 1155711489977 and 1155711490004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738945184 + ... + 738946747.

It is an arithmetic number, because the mean of its divisors is an integer number (119709246492).

Almost surely, 2^{1155711490042} is an apocalyptic number.

1155711490042 is a deficient number, since it is larger than the sum of its proper divisors (759636453830).

1155711490042 is a wasteful number, since it uses less digits than its factorization.

1155711490042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477891973.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 1155711490042 in words is "one trillion, one hundred fifty-five billion, seven hundred eleven million, four hundred ninety thousand, forty-two".