1150138636490 has 16 divisors (see below), whose sum is σ = 2089242662760. Its totient is φ = 455834761920.

The previous prime is 1150138636477. The next prime is 1150138636499. The reversal of 1150138636490 is 946368310511.

It can be written as a sum of positive squares in 4 ways, for example, as 1150125408721 + 13227769 = 1072439^2 + 3637^2 .

It is not an unprimeable number, because it can be changed into a prime (1150138636499) 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, 527585441 + ... + 527587620.

Almost surely, 2^{1150138636490} is an apocalyptic number.

1150138636490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1150138636490 is a deficient number, since it is larger than the sum of its proper divisors (939104026270).

1150138636490 is a wasteful number, since it uses less digits than its factorization.

1150138636490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055173177.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 1150138636490 in words is "one trillion, one hundred fifty billion, one hundred thirty-eight million, six hundred thirty-six thousand, four hundred ninety".