1154550005542 has 32 divisors (see below), whose sum is σ = 1748651224320. Its totient is φ = 571695574560.

The previous prime is 1154550005491. The next prime is 1154550005563. The reversal of 1154550005542 is 2455000554511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151055973 + ... + 151063615.

It is an arithmetic number, because the mean of its divisors is an integer number (54645350760).

Almost surely, 2^{1154550005542} is an apocalyptic number.

1154550005542 is a deficient number, since it is larger than the sum of its proper divisors (594101218778).

1154550005542 is a wasteful number, since it uses less digits than its factorization.

1154550005542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 1154550005542 in words is "one trillion, one hundred fifty-four billion, five hundred fifty million, five thousand, five hundred forty-two".