1154135040542 has 16 divisors (see below), whose sum is σ = 1889156855664. Its totient is φ = 524447880000.

The previous prime is 1154135040491. The next prime is 1154135040581. The reversal of 1154135040542 is 2450405314511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7873559 + ... + 8018802.

It is an arithmetic number, because the mean of its divisors is an integer number (118072303479).

Almost surely, 2^{1154135040542} is an apocalyptic number.

1154135040542 is a deficient number, since it is larger than the sum of its proper divisors (735021815122).

1154135040542 is a wasteful number, since it uses less digits than its factorization.

1154135040542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15895675.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 1154135040542 in words is "one trillion, one hundred fifty-four billion, one hundred thirty-five million, forty thousand, five hundred forty-two".