1097688929145 has 64 divisors (see below), whose sum is σ = 1935777153024. Its totient is φ = 529313621760.

The previous prime is 1097688929101. The next prime is 1097688929147. The reversal of 1097688929145 is 5419298867901.

It is not a de Polignac number, because 1097688929145 - 2¹³ = 1097688920953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1097688929145.

It is not an unprimeable number, because it can be changed into a prime (1097688929147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 733554 + ... + 1653323.

It is an arithmetic number, because the mean of its divisors is an integer number (30246518016).

Almost surely, 2^{1097688929145} is an apocalyptic number.

1097688929145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1097688929145 is a deficient number, since it is larger than the sum of its proper divisors (838088223879).

1097688929145 is a wasteful number, since it uses less digits than its factorization.

1097688929145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386982.

The product of its (nonzero) digits is 78382080, while the sum is 69.

The spelling of 1097688929145 in words is "one trillion, ninety-seven billion, six hundred eighty-eight million, nine hundred twenty-nine thousand, one hundred forty-five".