1001151192720 has 160 divisors (see below), whose sum is σ = 3552210001152. Its totient is φ = 228494278656.

The previous prime is 1001151192683. The next prime is 1001151192737. The reversal of 1001151192720 is 272911511001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687904 + ... + 1573376.

Almost surely, 2^{1001151192720} is an apocalyptic number.

1001151192720 is a gapful number since it is divisible by the number (10) 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 1001151192720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776105000576).

1001151192720 is an abundant number, since it is smaller than the sum of its proper divisors (2551058808432).

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

1001151192720 is a wasteful number, since it uses less digits than its factorization.

1001151192720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886169 (or 886163 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 30.

The spelling of 1001151192720 in words is "one trillion, one billion, one hundred fifty-one million, one hundred ninety-two thousand, seven hundred twenty".