1090979550975 has 12 divisors (see below), whose sum is σ = 1803752857736. Its totient is φ = 581855760480.

The previous prime is 1090979550953. The next prime is 1090979550977. The reversal of 1090979550975 is 5790559790901.

It is not a de Polignac number, because 1090979550975 - 2⁵ = 1090979550943 is a prime.

It is a super-2 number, since 2×1090979550975² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090979550977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7273196932 + ... + 7273197081.

Almost surely, 2^{1090979550975} is an apocalyptic number.

1090979550975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1090979550975 is a deficient number, since it is larger than the sum of its proper divisors (712773306761).

1090979550975 is a wasteful number, since it uses less digits than its factorization.

1090979550975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14546394026 (or 14546394021 counting only the distinct ones).

The product of its (nonzero) digits is 40186125, while the sum is 66.

The spelling of 1090979550975 in words is "one trillion, ninety billion, nine hundred seventy-nine million, five hundred fifty thousand, nine hundred seventy-five".