1090511157 has 16 divisors (see below), whose sum is σ = 1524767040. Its totient is φ = 692318592.

The previous prime is 1090511143. The next prime is 1090511159. The reversal of 1090511157 is 7511150901.

It is not a de Polignac number, because 1090511157 - 2⁴ = 1090511141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090511159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79503 + ... + 92204.

It is an arithmetic number, because the mean of its divisors is an integer number (95297940).

Almost surely, 2^1090511157 is an apocalyptic number.

It is an amenable number.

1090511157 is a deficient number, since it is larger than the sum of its proper divisors (434255883).

1090511157 is a wasteful number, since it uses less digits than its factorization.

1090511157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171812.

The product of its (nonzero) digits is 1575, while the sum is 30.

The square root of 1090511157 is about 33022.8883806368. Note that the first 3 decimals coincide. The cubic root of 1090511157 is about 1029.3033140229.

The spelling of 1090511157 in words is "one billion, ninety million, five hundred eleven thousand, one hundred fifty-seven".