1355112550 has 24 divisors (see below), whose sum is σ = 2749647672. Its totient is φ = 492768000.

The previous prime is 1355112527. The next prime is 1355112557. The reversal of 1355112550 is 552115531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355112557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1231371 + ... + 1232470.

It is an arithmetic number, because the mean of its divisors is an integer number (114568653).

Almost surely, 2^1355112550 is an apocalyptic number.

1355112550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355112550 is an abundant number, since it is smaller than the sum of its proper divisors (1394535122).

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

1355112550 is a wasteful number, since it uses less digits than its factorization.

1355112550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463864 (or 2463859 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1355112550 is about 36811.8533899069. The cubic root of 1355112550 is about 1106.6028621018.

The spelling of 1355112550 in words is "one billion, three hundred fifty-five million, one hundred twelve thousand, five hundred fifty".