2158264541088 has 240 divisors, whose sum is σ = 6448421327040. Its totient is φ = 708007910400.

The previous prime is 2158264541057. The next prime is 2158264541101. The reversal of 2158264541088 is 8801454628512.

It is a happy number.

2158264541088 is a `hidden beast` number, since 2 + 1 + 5 + 82 + 6 + 454 + 108 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104703903 + ... + 104724513.

It is an arithmetic number, because the mean of its divisors is an integer number (26868422196).

Almost surely, 2^{2158264541088} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2158264541088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3224210663520).

2158264541088 is an abundant number, since it is smaller than the sum of its proper divisors (4290156785952).

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

2158264541088 is a wasteful number, since it uses less digits than its factorization.

2158264541088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273 (or 21256 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 54.

The spelling of 2158264541088 in words is "two trillion, one hundred fifty-eight billion, two hundred sixty-four million, five hundred forty-one thousand, eighty-eight".