1155135502 has 16 divisors (see below), whose sum is σ = 1769290272. Its totient is φ = 565488000.

The previous prime is 1155135491. The next prime is 1155135503. The reversal of 1155135502 is 2055315511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155135503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8874 + ... + 48877.

It is an arithmetic number, because the mean of its divisors is an integer number (110580642).

Almost surely, 2^1155135502 is an apocalyptic number.

1155135502 is a deficient number, since it is larger than the sum of its proper divisors (614154770).

1155135502 is a wasteful number, since it uses less digits than its factorization.

1155135502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57963.

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

The square root of 1155135502 is about 33987.2844163814. The cubic root of 1155135502 is about 1049.2467771100.

Subtracting 1155135502 from its reverse (2055315511), we obtain a square (900180009 = 30003²).

The spelling of 1155135502 in words is "one billion, one hundred fifty-five million, one hundred thirty-five thousand, five hundred two".