1011173796090 has 48 divisors (see below), whose sum is σ = 2629330922088. Its totient is φ = 269617724928.

The previous prime is 1011173796079. The next prime is 1011173796109. The reversal of 1011173796090 is 906973711101.

1011173796090 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 1 + 7 + 37 + 9 + 609 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 783166591089 + 228007205001 = 884967^2 + 477501^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263214 + ... + 1446246.

Almost surely, 2^{1011173796090} is an apocalyptic number.

1011173796090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011173796090 is an abundant number, since it is smaller than the sum of its proper divisors (1618157125998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011173796090 is a wasteful number, since it uses less digits than its factorization.

1011173796090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192543 (or 1192540 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 45.

The spelling of 1011173796090 in words is "one trillion, eleven billion, one hundred seventy-three million, seven hundred ninety-six thousand, ninety".