1011252616 has 64 divisors (see below), whose sum is σ = 2198664000. Its totient is φ = 432436480.

The previous prime is 1011252601. The next prime is 1011252631. The reversal of 1011252616 is 6162521101.

It is a happy number.

1011252616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1011252601) and next prime (1011252631).

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, 431175 + ... + 433513.

It is an arithmetic number, because the mean of its divisors is an integer number (34354125).

Almost surely, 2^1011252616 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 1011252616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099332000).

1011252616 is an abundant number, since it is smaller than the sum of its proper divisors (1187411384).

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

1011252616 is a wasteful number, since it uses less digits than its factorization.

1011252616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1011252616 is about 31800.1983641612. The cubic root of 1011252616 is about 1003.7368902568.

Adding to 1011252616 its reverse (6162521101), we get a palindrome (7173773717).

The spelling of 1011252616 in words is "one billion, eleven million, two hundred fifty-two thousand, six hundred sixteen".