1011501912 has 64 divisors (see below), whose sum is σ = 2646420480. Its totient is φ = 321564672.

The previous prime is 1011501871. The next prime is 1011501977. The reversal of 1011501912 is 2191051101.

It is a super-2 number, since 2×1011501912² = 2046272235959311488, which contains 22 as substring.

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, 200088 + ... + 205080.

It is an arithmetic number, because the mean of its divisors is an integer number (41350320).

Almost surely, 2^1011501912 is an apocalyptic number.

1011501912 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 1011501912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323210240).

1011501912 is an abundant number, since it is smaller than the sum of its proper divisors (1634918568).

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

1011501912 is a wasteful number, since it uses less digits than its factorization.

1011501912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392 (or 5388 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 21.

The square root of 1011501912 is about 31804.1178465934. The cubic root of 1011501912 is about 1003.8193645494.

The spelling of 1011501912 in words is "one billion, eleven million, five hundred one thousand, nine hundred twelve".