1101515055 has 16 divisors (see below), whose sum is σ = 1765968000. Its totient is φ = 586293408.

The previous prime is 1101515053. The next prime is 1101515081. The reversal of 1101515055 is 5505151011.

1101515055 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1101515055 - 2¹ = 1101515053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101515053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66097 + ... + 81066.

It is an arithmetic number, because the mean of its divisors is an integer number (110373000).

Almost surely, 2^1101515055 is an apocalyptic number.

1101515055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1101515055 is a deficient number, since it is larger than the sum of its proper divisors (664452945).

1101515055 is a wasteful number, since it uses less digits than its factorization.

1101515055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147670.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1101515055 is about 33189.0803578526. The cubic root of 1101515055 is about 1032.7538256603.

Adding to 1101515055 its reverse (5505151011), we get a palindrome (6606666066).

The spelling of 1101515055 in words is "one billion, one hundred one million, five hundred fifteen thousand, fifty-five".