1009136914550 has 24 divisors (see below), whose sum is σ = 1902706923576. Its totient is φ = 398125247040.

The previous prime is 1009136914543. The next prime is 1009136914631. The reversal of 1009136914550 is 554196319001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138234284 + ... + 138241583.

It is an arithmetic number, because the mean of its divisors is an integer number (79279455149).

Almost surely, 2^{1009136914550} is an apocalyptic number.

1009136914550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009136914550 is a deficient number, since it is larger than the sum of its proper divisors (893570009026).

1009136914550 is a wasteful number, since it uses less digits than its factorization.

1009136914550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276475952 (or 276475947 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 1009136914550 in words is "one trillion, nine billion, one hundred thirty-six million, nine hundred fourteen thousand, five hundred fifty".