1150001655 has 64 divisors (see below), whose sum is σ = 2045039616. Its totient is φ = 547200000.

The previous prime is 1150001599. The next prime is 1150001659. The reversal of 1150001655 is 5561000511.

1150001655 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 1150001655 - 2⁶ = 1150001591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150001659) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2516187 + ... + 2516643.

It is an arithmetic number, because the mean of its divisors is an integer number (31953744).

Almost surely, 2^1150001655 is an apocalyptic number.

1150001655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1150001655 is a deficient number, since it is larger than the sum of its proper divisors (895037961).

1150001655 is a wasteful number, since it uses less digits than its factorization.

1150001655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1150001655 is about 33911.6743172613. The cubic root of 1150001655 is about 1047.6900557587.

The spelling of 1150001655 in words is "one billion, one hundred fifty million, one thousand, six hundred fifty-five".