1115625620 has 48 divisors (see below), whose sum is σ = 2396096640. Its totient is φ = 436166016.

The previous prime is 1115625617. The next prime is 1115625647. The reversal of 1115625620 is 265265111.

It is a happy number.

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, 298121 + ... + 301839.

It is an arithmetic number, because the mean of its divisors is an integer number (49918680).

Almost surely, 2^1115625620 is an apocalyptic number.

1115625620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115625620 is an abundant number, since it is smaller than the sum of its proper divisors (1280471020).

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

1115625620 is a wasteful number, since it uses less digits than its factorization.

1115625620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1115625620 is about 33400.9823208839. The cubic root of 1115625620 is about 1037.1450359693.

The spelling of 1115625620 in words is "one billion, one hundred fifteen million, six hundred twenty-five thousand, six hundred twenty".