1154355101139 has 4 divisors (see below), whose sum is σ = 1539140134856. Its totient is φ = 769570067424.

The previous prime is 1154355101113. The next prime is 1154355101143. The reversal of 1154355101139 is 9311015534511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1154355101139 - 2⁸ = 1154355100883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154355101097 and 1154355101106.

It is not an unprimeable number, because it can be changed into a prime (1154355101189) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 192392516854 + ... + 192392516859.

It is an arithmetic number, because the mean of its divisors is an integer number (384785033714).

Almost surely, 2^{1154355101139} is an apocalyptic number.

1154355101139 is a deficient number, since it is larger than the sum of its proper divisors (384785033717).

1154355101139 is an equidigital number, since it uses as much as digits as its factorization.

1154355101139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384785033716.

The product of its (nonzero) digits is 40500, while the sum is 39.

The spelling of 1154355101139 in words is "one trillion, one hundred fifty-four billion, three hundred fifty-five million, one hundred one thousand, one hundred thirty-nine".