1011011512 has 24 divisors (see below), whose sum is σ = 2205140760. Its totient is φ = 433290480.

The previous prime is 1011011473. The next prime is 1011011531. The reversal of 1011011512 is 2151101101.

It is a super-2 number, since 2×1011011512² = 2044288554793052288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011011492 and 1011011501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1289164 + ... + 1289947.

It is an arithmetic number, because the mean of its divisors is an integer number (91880865).

Almost surely, 2^1011011512 is an apocalyptic number.

It is an amenable number.

1011011512 is an abundant number, since it is smaller than the sum of its proper divisors (1194129248).

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

1011011512 is a wasteful number, since it uses less digits than its factorization.

1011011512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579131 (or 2579120 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1011011512 is about 31796.4072184264. The cubic root of 1011011512 is about 1003.6571132189.

Adding to 1011011512 its reverse (2151101101), we get a palindrome (3162112613).

The spelling of 1011011512 in words is "one billion, eleven million, eleven thousand, five hundred twelve".