1181054738958 has 32 divisors (see below), whose sum is σ = 2514015981216. Its totient is φ = 368607141888.

The previous prime is 1181054738939. The next prime is 1181054738959. The reversal of 1181054738958 is 8598374501811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181054738959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29977641 + ... + 30017012.

It is an arithmetic number, because the mean of its divisors is an integer number (78562999413).

Almost surely, 2^{1181054738958} is an apocalyptic number.

1181054738958 is an abundant number, since it is smaller than the sum of its proper divisors (1332961242258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1181054738958 is a wasteful number, since it uses less digits than its factorization.

1181054738958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59994868.

The product of its (nonzero) digits is 9676800, while the sum is 60.

The spelling of 1181054738958 in words is "one trillion, one hundred eighty-one billion, fifty-four million, seven hundred thirty-eight thousand, nine hundred fifty-eight".