1115152550 has 24 divisors (see below), whose sum is σ = 2118319776. Its totient is φ = 436569440.

The previous prime is 1115152547. The next prime is 1115152561. The reversal of 1115152550 is 552515111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234917 + ... + 239616.

It is an arithmetic number, because the mean of its divisors is an integer number (88263324).

Almost surely, 2^1115152550 is an apocalyptic number.

1115152550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115152550 is a deficient number, since it is larger than the sum of its proper divisors (1003167226).

1115152550 is a wasteful number, since it uses less digits than its factorization.

1115152550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474592 (or 474587 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 1115152550 is about 33393.8998920462. The cubic root of 1115152550 is about 1036.9984182150.

Adding to 1115152550 its reverse (552515111), we get a palindrome (1667667661).

The spelling of 1115152550 in words is "one billion, one hundred fifteen million, one hundred fifty-two thousand, five hundred fifty".