1011551325 has 24 divisors (see below), whose sum is σ = 1717637088. Its totient is φ = 524911680.

The previous prime is 1011551311. The next prime is 1011551341. The reversal of 1011551325 is 5231551101.

1011551325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011551325 - 2⁴ = 1011551309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011551295 and 1011551304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179487 + ... + 185036.

It is an arithmetic number, because the mean of its divisors is an integer number (71568212).

Almost surely, 2^1011551325 is an apocalyptic number.

1011551325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011551325 is a deficient number, since it is larger than the sum of its proper divisors (706085763).

1011551325 is a wasteful number, since it uses less digits than its factorization.

1011551325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364573 (or 364568 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1011551325 is about 31804.8946704749. The cubic root of 1011551325 is about 1003.8357101829.

The spelling of 1011551325 in words is "one billion, eleven million, five hundred fifty-one thousand, three hundred twenty-five".