1158611619072 has 72 divisors (see below), whose sum is σ = 3085567588096. Its totient is φ = 385957011456.

The previous prime is 1158611619023. The next prime is 1158611619133. The reversal of 1158611619072 is 2709161168511.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 722088 + ... + 1684824.

Almost surely, 2^{1158611619072} is an apocalyptic number.

1158611619072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158611619072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542783794048).

1158611619072 is an abundant number, since it is smaller than the sum of its proper divisors (1926955969024).

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

1158611619072 is an equidigital number, since it uses as much as digits as its factorization.

1158611619072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964323 (or 964309 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 48.

The spelling of 1158611619072 in words is "one trillion, one hundred fifty-eight billion, six hundred eleven million, six hundred nineteen thousand, seventy-two".